28102429825

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:403

約数の個数: 72

約数和(自身を含む): 37625591808

約数和(自身を除く): 9523161983

約数列:

[1, 5, 23, 25, 53, 115, 127, 137, 265, 575, 635, 685, 1219, 1325, 2809, 2921, 3151, 3175, 3425, 6095, 6731, 7261, 14045, 14605, 15755, 17399, 30475, 33655, 36305, 64607, 70225, 73025, 78775, 86995, 154813, 167003, 168275, 181525, 323035, 356743, 384833, 400177, 434975, 774065, 835015, 922147, 1615175, 1783715, 1924165, 2000885, 3870325, 4175075, 4610735, 8205089, 8851159, 8918575, 9620825, 10004425, 21209381, 23053675, 41025445, 44255795, 48873791, 106046905, 205127225, 221278975, 244368955, 530234525, 1124097193, 1221844775, 5620485965, 28102429825]

約数ペア:

[(1, 28102429825), (5, 5620485965), (23, 1221844775), (25, 1124097193), (53, 530234525), (115, 244368955), (127, 221278975), (137, 205127225), (265, 106046905), (575, 48873791), (635, 44255795), (685, 41025445), (1219, 23053675), (1325, 21209381), (2809, 10004425), (2921, 9620825), (3151, 8918575), (3175, 8851159), (3425, 8205089), (6095, 4610735), (6731, 4175075), (7261, 3870325), (14045, 2000885), (14605, 1924165), (15755, 1783715), (17399, 1615175), (30475, 922147), (33655, 835015), (36305, 774065), (64607, 434975), (70225, 400177), (73025, 384833), (78775, 356743), (86995, 323035), (154813, 181525), (167003, 168275)]