139872719

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{1279}}^1$

素因数の和:2222

約数の個数: 16

約数和(自身を含む): 169574400

約数和(自身を除く): 29701681

約数列:

[1, 7, 17, 119, 919, 1279, 6433, 8953, 15623, 21743, 109361, 152201, 1175401, 8227807, 19981817, 139872719]

約数ペア:

[(1, 139872719), (7, 19981817), (17, 8227807), (119, 1175401), (919, 152201), (1279, 109361), (6433, 21743), (8953, 15623)]