311909514

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{76561}}^1$

素因数の和:76670

約数の個数: 32

約数和(自身を含む): 720295296

約数和(自身を除く): 408385782

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 97, 194, 291, 582, 679, 1358, 2037, 4074, 76561, 153122, 229683, 459366, 535927, 1071854, 1607781, 3215562, 7426417, 14852834, 22279251, 44558502, 51984919, 103969838, 155954757, 311909514]

約数ペア:

[(1, 311909514), (2, 155954757), (3, 103969838), (6, 51984919), (7, 44558502), (14, 22279251), (21, 14852834), (42, 7426417), (97, 3215562), (194, 1607781), (291, 1071854), (582, 535927), (679, 459366), (1358, 229683), (2037, 153122), (4074, 76561)]