620879478

素因数分解:

$2^1\times 3^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{7247}}^1$

素因数の和:7492

約数の個数: 32

約数和(自身を含む): 1262891520

約数和(自身を除く): 642012042

約数列:

[1, 2, 3, 6, 109, 131, 218, 262, 327, 393, 654, 786, 7247, 14279, 14494, 21741, 28558, 42837, 43482, 85674, 789923, 949357, 1579846, 1898714, 2369769, 2848071, 4739538, 5696142, 103479913, 206959826, 310439739, 620879478]

約数ペア:

[(1, 620879478), (2, 310439739), (3, 206959826), (6, 103479913), (109, 5696142), (131, 4739538), (218, 2848071), (262, 2369769), (327, 1898714), (393, 1579846), (654, 949357), (786, 789923), (7247, 85674), (14279, 43482), (14494, 42837), (21741, 28558)]