155881375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 48

約数和(自身を含む): 216508032

約数和(自身を除く): 60626657

約数列:

[1, 5, 13, 25, 47, 65, 125, 157, 169, 235, 325, 611, 785, 845, 1175, 1625, 2041, 3055, 3925, 4225, 5875, 7379, 7943, 10205, 15275, 19625, 21125, 26533, 36895, 39715, 51025, 76375, 95927, 132665, 184475, 198575, 255125, 479635, 663325, 922375, 992875, 1247051, 2398175, 3316625, 6235255, 11990875, 31176275, 155881375]

約数ペア:

[(1, 155881375), (5, 31176275), (13, 11990875), (25, 6235255), (47, 3316625), (65, 2398175), (125, 1247051), (157, 992875), (169, 922375), (235, 663325), (325, 479635), (611, 255125), (785, 198575), (845, 184475), (1175, 132665), (1625, 95927), (2041, 76375), (3055, 51025), (3925, 39715), (4225, 36895), (5875, 26533), (7379, 21125), (7943, 19625), (10205, 15275)]