287538888

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{137}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 920868480

約数和(自身を除く): 633329592

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 31, 39, 42, 52, 56, 62, 78, 84, 91, 93, 104, 124, 137, 156, 168, 182, 186, 217, 248, 273, 274, 312, 364, 372, 403, 411, 434, 546, 548, 651, 728, 744, 806, 822, 868, 959, 961, 1092, 1096, 1209, 1302, 1612, 1644, 1736, 1781, 1918, 1922, 2184, 2418, 2604, 2821, 2877, 2883, 3224, 3288, 3562, 3836, 3844, 4247, 4836, 5208, 5343, 5642, 5754, 5766, 6727, 7124, 7672, 7688, 8463, 8494, 9672, 10686, 11284, 11508, 11532, 12467, 12493, 12741, 13454, 14248, 16926, 16988, 20181, 21372, 22568, 23016, 23064, 24934, 24986, 25482, 26908, 29729, 33852, 33976, 37401, 37479, 40362, 42744, 49868, 49972, 50964, 53816, 55211, 59458, 67704, 74802, 74958, 80724, 87451, 89187, 99736, 99944, 101928, 110422, 118916, 131657, 149604, 149916, 161448, 165633, 174902, 178374, 220844, 237832, 262353, 263314, 299208, 299832, 331266, 349804, 356748, 386477, 394971, 441688, 524706, 526628, 662532, 699608, 713496, 772954, 789942, 921599, 1049412, 1053256, 1159431, 1325064, 1545908, 1579884, 1711541, 1843198, 2098824, 2318862, 2764797, 3091816, 3159768, 3423082, 3686396, 4637724, 5134623, 5529594, 6846164, 7372792, 9275448, 10269246, 11059188, 11980787, 13692328, 20538492, 22118376, 23961574, 35942361, 41076984, 47923148, 71884722, 95846296, 143769444, 287538888]

約数ペア:

[(1, 287538888), (2, 143769444), (3, 95846296), (4, 71884722), (6, 47923148), (7, 41076984), (8, 35942361), (12, 23961574), (13, 22118376), (14, 20538492), (21, 13692328), (24, 11980787), (26, 11059188), (28, 10269246), (31, 9275448), (39, 7372792), (42, 6846164), (52, 5529594), (56, 5134623), (62, 4637724), (78, 3686396), (84, 3423082), (91, 3159768), (93, 3091816), (104, 2764797), (124, 2318862), (137, 2098824), (156, 1843198), (168, 1711541), (182, 1579884), (186, 1545908), (217, 1325064), (248, 1159431), (273, 1053256), (274, 1049412), (312, 921599), (364, 789942), (372, 772954), (403, 713496), (411, 699608), (434, 662532), (546, 526628), (548, 524706), (651, 441688), (728, 394971), (744, 386477), (806, 356748), (822, 349804), (868, 331266), (959, 299832), (961, 299208), (1092, 263314), (1096, 262353), (1209, 237832), (1302, 220844), (1612, 178374), (1644, 174902), (1736, 165633), (1781, 161448), (1918, 149916), (1922, 149604), (2184, 131657), (2418, 118916), (2604, 110422), (2821, 101928), (2877, 99944), (2883, 99736), (3224, 89187), (3288, 87451), (3562, 80724), (3836, 74958), (3844, 74802), (4247, 67704), (4836, 59458), (5208, 55211), (5343, 53816), (5642, 50964), (5754, 49972), (5766, 49868), (6727, 42744), (7124, 40362), (7672, 37479), (7688, 37401), (8463, 33976), (8494, 33852), (9672, 29729), (10686, 26908), (11284, 25482), (11508, 24986), (11532, 24934), (12467, 23064), (12493, 23016), (12741, 22568), (13454, 21372), (14248, 20181), (16926, 16988)]