664893612

素因数分解:

$2^2\times 3^2\times {\mathrm{991}}^1\times {\mathrm{18637}}^1$

素因数の和:19638

約数の個数: 36

約数和(自身を含む): 1682489536

約数和(自身を除く): 1017595924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 991, 1982, 2973, 3964, 5946, 8919, 11892, 17838, 18637, 35676, 37274, 55911, 74548, 111822, 167733, 223644, 335466, 670932, 18469267, 36938534, 55407801, 73877068, 110815602, 166223403, 221631204, 332446806, 664893612]

約数ペア:

[(1, 664893612), (2, 332446806), (3, 221631204), (4, 166223403), (6, 110815602), (9, 73877068), (12, 55407801), (18, 36938534), (36, 18469267), (991, 670932), (1982, 335466), (2973, 223644), (3964, 167733), (5946, 111822), (8919, 74548), (11892, 55911), (17838, 37274), (18637, 35676)]