31045651

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 32

約数和(自身を含む): 40134528

約数和(自身を除く): 9088877

約数列:

[1, 7, 13, 41, 53, 91, 157, 287, 371, 533, 689, 1099, 2041, 2173, 3731, 4823, 6437, 8321, 14287, 15211, 28249, 45059, 58247, 83681, 108173, 197743, 341161, 585767, 757211, 2388127, 4435093, 31045651]

約数ペア:

[(1, 31045651), (7, 4435093), (13, 2388127), (41, 757211), (53, 585767), (91, 341161), (157, 197743), (287, 108173), (371, 83681), (533, 58247), (689, 45059), (1099, 28249), (2041, 15211), (2173, 14287), (3731, 8321), (4823, 6437)]