247607975

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:884

約数の個数: 36

約数和(自身を含む): 334160904

約数和(自身を除く): 86552929

約数列:

[1, 5, 17, 25, 43, 85, 215, 289, 425, 731, 797, 1075, 1445, 3655, 3985, 7225, 12427, 13549, 18275, 19925, 34271, 62135, 67745, 171355, 230333, 310675, 338725, 582607, 856775, 1151665, 2913035, 5758325, 9904319, 14565175, 49521595, 247607975]

約数ペア:

[(1, 247607975), (5, 49521595), (17, 14565175), (25, 9904319), (43, 5758325), (85, 2913035), (215, 1151665), (289, 856775), (425, 582607), (731, 338725), (797, 310675), (1075, 230333), (1445, 171355), (3655, 67745), (3985, 62135), (7225, 34271), (12427, 19925), (13549, 18275)]