256870116

素因数分解:

$2^2\times 3^4\times {\mathrm{397}}^1\times {\mathrm{1997}}^1$

素因数の和:2410

約数の個数: 60

約数和(自身を含む): 673537788

約数和(自身を除く): 416667672

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 397, 794, 1191, 1588, 1997, 2382, 3573, 3994, 4764, 5991, 7146, 7988, 10719, 11982, 14292, 17973, 21438, 23964, 32157, 35946, 42876, 53919, 64314, 71892, 107838, 128628, 161757, 215676, 323514, 647028, 792809, 1585618, 2378427, 3171236, 4756854, 7135281, 9513708, 14270562, 21405843, 28541124, 42811686, 64217529, 85623372, 128435058, 256870116]

約数ペア:

[(1, 256870116), (2, 128435058), (3, 85623372), (4, 64217529), (6, 42811686), (9, 28541124), (12, 21405843), (18, 14270562), (27, 9513708), (36, 7135281), (54, 4756854), (81, 3171236), (108, 2378427), (162, 1585618), (324, 792809), (397, 647028), (794, 323514), (1191, 215676), (1588, 161757), (1997, 128628), (2382, 107838), (3573, 71892), (3994, 64314), (4764, 53919), (5991, 42876), (7146, 35946), (7988, 32157), (10719, 23964), (11982, 21438), (14292, 17973)]