31405608

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:156

約数の個数: 144

約数和(自身を含む): 96349500

約数和(自身を除く): 64943892

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 29, 36, 39, 52, 58, 72, 78, 87, 89, 104, 116, 117, 156, 169, 174, 178, 232, 234, 261, 267, 312, 338, 348, 356, 377, 468, 507, 522, 534, 676, 696, 712, 754, 801, 936, 1014, 1044, 1068, 1131, 1157, 1352, 1508, 1521, 1602, 2028, 2088, 2136, 2262, 2314, 2581, 3016, 3042, 3204, 3393, 3471, 4056, 4524, 4628, 4901, 5162, 6084, 6408, 6786, 6942, 7743, 9048, 9256, 9802, 10324, 10413, 12168, 13572, 13884, 14703, 15041, 15486, 19604, 20648, 20826, 23229, 27144, 27768, 29406, 30082, 30972, 33553, 39208, 41652, 44109, 45123, 46458, 58812, 60164, 61944, 67106, 83304, 88218, 90246, 92916, 100659, 117624, 120328, 134212, 135369, 176436, 180492, 185832, 201318, 268424, 270738, 301977, 352872, 360984, 402636, 436189, 541476, 603954, 805272, 872378, 1082952, 1207908, 1308567, 1744756, 2415816, 2617134, 3489512, 3925701, 5234268, 7851402, 10468536, 15702804, 31405608]

約数ペア:

[(1, 31405608), (2, 15702804), (3, 10468536), (4, 7851402), (6, 5234268), (8, 3925701), (9, 3489512), (12, 2617134), (13, 2415816), (18, 1744756), (24, 1308567), (26, 1207908), (29, 1082952), (36, 872378), (39, 805272), (52, 603954), (58, 541476), (72, 436189), (78, 402636), (87, 360984), (89, 352872), (104, 301977), (116, 270738), (117, 268424), (156, 201318), (169, 185832), (174, 180492), (178, 176436), (232, 135369), (234, 134212), (261, 120328), (267, 117624), (312, 100659), (338, 92916), (348, 90246), (356, 88218), (377, 83304), (468, 67106), (507, 61944), (522, 60164), (534, 58812), (676, 46458), (696, 45123), (712, 44109), (754, 41652), (801, 39208), (936, 33553), (1014, 30972), (1044, 30082), (1068, 29406), (1131, 27768), (1157, 27144), (1352, 23229), (1508, 20826), (1521, 20648), (1602, 19604), (2028, 15486), (2088, 15041), (2136, 14703), (2262, 13884), (2314, 13572), (2581, 12168), (3016, 10413), (3042, 10324), (3204, 9802), (3393, 9256), (3471, 9048), (4056, 7743), (4524, 6942), (4628, 6786), (4901, 6408), (5162, 6084)]