644247474

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{135403}}^1$

素因数の和:135482

約数の個数: 32

約数和(自身を含む): 1410368064

約数和(自身を除く): 766120590

約数列:

[1, 2, 3, 6, 13, 26, 39, 61, 78, 122, 183, 366, 793, 1586, 2379, 4758, 135403, 270806, 406209, 812418, 1760239, 3520478, 5280717, 8259583, 10561434, 16519166, 24778749, 49557498, 107374579, 214749158, 322123737, 644247474]

約数ペア:

[(1, 644247474), (2, 322123737), (3, 214749158), (6, 107374579), (13, 49557498), (26, 24778749), (39, 16519166), (61, 10561434), (78, 8259583), (122, 5280717), (183, 3520478), (366, 1760239), (793, 812418), (1586, 406209), (2379, 270806), (4758, 135403)]