31305172

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 55919360

約数和(自身を除く): 24614188

約数列:

[1, 2, 4, 79, 157, 158, 314, 316, 628, 631, 1262, 2524, 12403, 24806, 49612, 49849, 99067, 99698, 198134, 199396, 396268, 7826293, 15652586, 31305172]

約数ペア:

[(1, 31305172), (2, 15652586), (4, 7826293), (79, 396268), (157, 199396), (158, 198134), (314, 99698), (316, 99067), (628, 49849), (631, 49612), (1262, 24806), (2524, 12403)]