28305158375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2649

約数の個数: 64

約数和(自身を含む): 39450378240

約数和(自身を除く): 11145219865

約数列:

[1, 5, 13, 25, 31, 65, 125, 155, 239, 325, 403, 775, 1195, 1625, 2015, 2351, 3107, 3875, 5975, 7409, 10075, 11755, 15535, 29875, 30563, 37045, 50375, 58775, 72881, 77675, 96317, 152815, 185225, 293875, 364405, 388375, 481585, 561889, 764075, 926125, 947453, 1822025, 2407925, 2809445, 3820375, 4737265, 7304557, 9110125, 12039625, 14047225, 17418559, 23686325, 36522785, 70236125, 87092795, 118431625, 182613925, 226441267, 435463975, 913069625, 1132206335, 2177319875, 5661031675, 28305158375]

約数ペア:

[(1, 28305158375), (5, 5661031675), (13, 2177319875), (25, 1132206335), (31, 913069625), (65, 435463975), (125, 226441267), (155, 182613925), (239, 118431625), (325, 87092795), (403, 70236125), (775, 36522785), (1195, 23686325), (1625, 17418559), (2015, 14047225), (2351, 12039625), (3107, 9110125), (3875, 7304557), (5975, 4737265), (7409, 3820375), (10075, 2809445), (11755, 2407925), (15535, 1822025), (29875, 947453), (30563, 926125), (37045, 764075), (50375, 561889), (58775, 481585), (72881, 388375), (77675, 364405), (96317, 293875), (152815, 185225)]