28582372

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 39155228

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 31, 34, 52, 62, 68, 91, 119, 124, 149, 182, 217, 221, 238, 298, 364, 403, 434, 442, 476, 527, 596, 806, 868, 884, 1043, 1054, 1547, 1612, 1937, 2086, 2108, 2533, 2821, 3094, 3689, 3874, 4172, 4619, 5066, 5642, 6188, 6851, 7378, 7748, 9238, 10132, 11284, 13559, 13702, 14756, 17731, 18476, 27118, 27404, 32333, 32929, 35462, 47957, 54236, 60047, 64666, 65858, 70924, 78523, 95914, 120094, 129332, 131716, 157046, 191828, 230503, 240188, 314092, 420329, 461006, 549661, 840658, 922012, 1020799, 1099322, 1681316, 2041598, 2198644, 4083196, 7145593, 14291186, 28582372]

約数ペア:

[(1, 28582372), (2, 14291186), (4, 7145593), (7, 4083196), (13, 2198644), (14, 2041598), (17, 1681316), (26, 1099322), (28, 1020799), (31, 922012), (34, 840658), (52, 549661), (62, 461006), (68, 420329), (91, 314092), (119, 240188), (124, 230503), (149, 191828), (182, 157046), (217, 131716), (221, 129332), (238, 120094), (298, 95914), (364, 78523), (403, 70924), (434, 65858), (442, 64666), (476, 60047), (527, 54236), (596, 47957), (806, 35462), (868, 32929), (884, 32333), (1043, 27404), (1054, 27118), (1547, 18476), (1612, 17731), (1937, 14756), (2086, 13702), (2108, 13559), (2533, 11284), (2821, 10132), (3094, 9238), (3689, 7748), (3874, 7378), (4172, 6851), (4619, 6188), (5066, 5642)]