645013938

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1\times {\mathrm{5827}}^1$

素因数の和:6822

約数の個数: 32

約数和(自身を含む): 1359555840

約数和(自身を除く): 714541902

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 971, 1942, 2913, 5826, 5827, 11654, 17481, 18449, 34962, 36898, 55347, 110694, 110713, 221426, 332139, 664278, 5658017, 11316034, 16974051, 33948102, 107502323, 215004646, 322506969, 645013938]

約数ペア:

[(1, 645013938), (2, 322506969), (3, 215004646), (6, 107502323), (19, 33948102), (38, 16974051), (57, 11316034), (114, 5658017), (971, 664278), (1942, 332139), (2913, 221426), (5826, 110713), (5827, 110694), (11654, 55347), (17481, 36898), (18449, 34962)]