31997798

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 56263680

約数和(自身を除く): 24265882

約数列:

[1, 2, 7, 14, 73, 131, 146, 239, 262, 478, 511, 917, 1022, 1673, 1834, 3346, 9563, 17447, 19126, 31309, 34894, 62618, 66941, 122129, 133882, 219163, 244258, 438326, 2285557, 4571114, 15998899, 31997798]

約数ペア:

[(1, 31997798), (2, 15998899), (7, 4571114), (14, 2285557), (73, 438326), (131, 244258), (146, 219163), (239, 133882), (262, 122129), (478, 66941), (511, 62618), (917, 34894), (1022, 31309), (1673, 19126), (1834, 17447), (3346, 9563)]