858176945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{419}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 1078721280

約数和(自身を除く): 220544335

約数列:

[1, 5, 41, 97, 103, 205, 419, 485, 515, 2095, 3977, 4223, 9991, 17179, 19885, 21115, 40643, 43157, 49955, 85895, 203215, 215785, 409631, 1666363, 1769437, 2048155, 4186229, 8331815, 8847185, 20931145, 171635389, 858176945]

約数ペア:

[(1, 858176945), (5, 171635389), (41, 20931145), (97, 8847185), (103, 8331815), (205, 4186229), (419, 2048155), (485, 1769437), (515, 1666363), (2095, 409631), (3977, 215785), (4223, 203215), (9991, 85895), (17179, 49955), (19885, 43157), (21115, 40643)]