257716548

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{65677}}^1$

素因数の和:65796

約数の個数: 36

約数和(自身を含む): 657436780

約数和(自身を除く): 399720232

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 65677, 131354, 197031, 262708, 394062, 591093, 788124, 1182186, 2364372, 7158793, 14317586, 21476379, 28635172, 42952758, 64429137, 85905516, 128858274, 257716548]

約数ペア:

[(1, 257716548), (2, 128858274), (3, 85905516), (4, 64429137), (6, 42952758), (9, 28635172), (12, 21476379), (18, 14317586), (36, 7158793), (109, 2364372), (218, 1182186), (327, 788124), (436, 591093), (654, 394062), (981, 262708), (1308, 197031), (1962, 131354), (3924, 65677)]