721508748

素因数分解:

$2^2\times 3^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{3631}}^1$

素因数の和:4238

約数の個数: 48

約数和(自身を含む): 1745103360

約数和(自身を除く): 1023594612

約数列:

[1, 2, 3, 4, 6, 12, 29, 58, 87, 116, 174, 348, 571, 1142, 1713, 2284, 3426, 3631, 6852, 7262, 10893, 14524, 16559, 21786, 33118, 43572, 49677, 66236, 99354, 105299, 198708, 210598, 315897, 421196, 631794, 1263588, 2073301, 4146602, 6219903, 8293204, 12439806, 24879612, 60125729, 120251458, 180377187, 240502916, 360754374, 721508748]

約数ペア:

[(1, 721508748), (2, 360754374), (3, 240502916), (4, 180377187), (6, 120251458), (12, 60125729), (29, 24879612), (58, 12439806), (87, 8293204), (116, 6219903), (174, 4146602), (348, 2073301), (571, 1263588), (1142, 631794), (1713, 421196), (2284, 315897), (3426, 210598), (3631, 198708), (6852, 105299), (7262, 99354), (10893, 66236), (14524, 49677), (16559, 43572), (21786, 33118)]