256375044

素因数分解:

$2^2\times 3^4\times {\mathrm{647}}^1\times {\mathrm{1223}}^1$

素因数の和:1886

約数の個数: 60

約数和(自身を含む): 671799744

約数和(自身を除く): 415424700

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 647, 1223, 1294, 1941, 2446, 2588, 3669, 3882, 4892, 5823, 7338, 7764, 11007, 11646, 14676, 17469, 22014, 23292, 33021, 34938, 44028, 52407, 66042, 69876, 99063, 104814, 132084, 198126, 209628, 396252, 791281, 1582562, 2373843, 3165124, 4747686, 7121529, 9495372, 14243058, 21364587, 28486116, 42729174, 64093761, 85458348, 128187522, 256375044]

約数ペア:

[(1, 256375044), (2, 128187522), (3, 85458348), (4, 64093761), (6, 42729174), (9, 28486116), (12, 21364587), (18, 14243058), (27, 9495372), (36, 7121529), (54, 4747686), (81, 3165124), (108, 2373843), (162, 1582562), (324, 791281), (647, 396252), (1223, 209628), (1294, 198126), (1941, 132084), (2446, 104814), (2588, 99063), (3669, 69876), (3882, 66042), (4892, 52407), (5823, 44028), (7338, 34938), (7764, 33021), (11007, 23292), (11646, 22014), (14676, 17469)]