281871408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1451

約数の個数: 160

約数和(自身を含む): 915941376

約数和(自身を除く): 634069968

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 47, 48, 52, 56, 78, 84, 91, 94, 104, 112, 141, 156, 168, 182, 188, 208, 273, 282, 312, 329, 336, 364, 376, 546, 564, 611, 624, 658, 728, 752, 987, 1092, 1128, 1222, 1316, 1373, 1456, 1833, 1974, 2184, 2256, 2444, 2632, 2746, 3666, 3948, 4119, 4277, 4368, 4888, 5264, 5492, 7332, 7896, 8238, 8554, 9611, 9776, 10984, 12831, 14664, 15792, 16476, 17108, 17849, 19222, 21968, 25662, 28833, 29328, 32952, 34216, 35698, 38444, 51324, 53547, 57666, 64531, 65904, 68432, 71396, 76888, 102648, 107094, 115332, 124943, 129062, 142792, 153776, 193593, 205296, 214188, 230664, 249886, 258124, 285584, 374829, 387186, 428376, 451717, 461328, 499772, 516248, 749658, 774372, 838903, 856752, 903434, 999544, 1032496, 1355151, 1499316, 1548744, 1677806, 1806868, 1999088, 2516709, 2710302, 2998632, 3097488, 3355612, 3613736, 5033418, 5420604, 5872321, 5997264, 6711224, 7227472, 10066836, 10841208, 11744642, 13422448, 17616963, 20133672, 21682416, 23489284, 35233926, 40267344, 46978568, 70467852, 93957136, 140935704, 281871408]

約数ペア:

[(1, 281871408), (2, 140935704), (3, 93957136), (4, 70467852), (6, 46978568), (7, 40267344), (8, 35233926), (12, 23489284), (13, 21682416), (14, 20133672), (16, 17616963), (21, 13422448), (24, 11744642), (26, 10841208), (28, 10066836), (39, 7227472), (42, 6711224), (47, 5997264), (48, 5872321), (52, 5420604), (56, 5033418), (78, 3613736), (84, 3355612), (91, 3097488), (94, 2998632), (104, 2710302), (112, 2516709), (141, 1999088), (156, 1806868), (168, 1677806), (182, 1548744), (188, 1499316), (208, 1355151), (273, 1032496), (282, 999544), (312, 903434), (329, 856752), (336, 838903), (364, 774372), (376, 749658), (546, 516248), (564, 499772), (611, 461328), (624, 451717), (658, 428376), (728, 387186), (752, 374829), (987, 285584), (1092, 258124), (1128, 249886), (1222, 230664), (1316, 214188), (1373, 205296), (1456, 193593), (1833, 153776), (1974, 142792), (2184, 129062), (2256, 124943), (2444, 115332), (2632, 107094), (2746, 102648), (3666, 76888), (3948, 71396), (4119, 68432), (4277, 65904), (4368, 64531), (4888, 57666), (5264, 53547), (5492, 51324), (7332, 38444), (7896, 35698), (8238, 34216), (8554, 32952), (9611, 29328), (9776, 28833), (10984, 25662), (12831, 21968), (14664, 19222), (15792, 17849), (16476, 17108)]