28657924425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{316051}}^1$

素因数の和:316111

約数の個数: 72

約数和(自身を含む): 57061292288

約数和(自身を除く): 28403367863

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 325, 403, 465, 585, 775, 975, 1209, 1395, 2015, 2325, 2925, 3627, 6045, 6975, 10075, 18135, 30225, 90675, 316051, 948153, 1580255, 2844459, 4108663, 4740765, 7901275, 9797581, 12325989, 14222295, 20543315, 23703825, 29392743, 36977967, 48987905, 61629945, 71111475, 88178229, 102716575, 127368553, 146963715, 184889835, 244939525, 308149725, 382105659, 440891145, 636842765, 734818575, 924449175, 1146316977, 1910528295, 2204455725, 3184213825, 5731584885, 9552641475, 28657924425]

約数ペア:

[(1, 28657924425), (3, 9552641475), (5, 5731584885), (9, 3184213825), (13, 2204455725), (15, 1910528295), (25, 1146316977), (31, 924449175), (39, 734818575), (45, 636842765), (65, 440891145), (75, 382105659), (93, 308149725), (117, 244939525), (155, 184889835), (195, 146963715), (225, 127368553), (279, 102716575), (325, 88178229), (403, 71111475), (465, 61629945), (585, 48987905), (775, 36977967), (975, 29392743), (1209, 23703825), (1395, 20543315), (2015, 14222295), (2325, 12325989), (2925, 9797581), (3627, 7901275), (6045, 4740765), (6975, 4108663), (10075, 2844459), (18135, 1580255), (30225, 948153), (90675, 316051)]