261004810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{76541}}^1$

素因数の和:76590

約数の個数: 32

約数和(自身を含む): 529058304

約数和(自身を除く): 268053494

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 76541, 153082, 382705, 765410, 841951, 1683902, 2372771, 4209755, 4745542, 8419510, 11863855, 23727710, 26100481, 52200962, 130502405, 261004810]

約数ペア:

[(1, 261004810), (2, 130502405), (5, 52200962), (10, 26100481), (11, 23727710), (22, 11863855), (31, 8419510), (55, 4745542), (62, 4209755), (110, 2372771), (155, 1683902), (310, 841951), (341, 765410), (682, 382705), (1705, 153082), (3410, 76541)]