669920158

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1\times {\mathrm{12149}}^1$

素因数の和:12579

約数の個数: 16

約数和(自身を含む): 1020600000

約数和(自身を除く): 350679842

約数列:

[1, 2, 79, 158, 349, 698, 12149, 24298, 27571, 55142, 959771, 1919542, 4240001, 8480002, 334960079, 669920158]

約数ペア:

[(1, 669920158), (2, 334960079), (79, 8480002), (158, 4240001), (349, 1919542), (698, 959771), (12149, 55142), (24298, 27571)]