1388895042

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{3260317}}^1$

素因数の和:3260393

約数の個数: 16

約数和(自身を含む): 2816914752

約数和(自身を除く): 1428019710

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 3260317, 6520634, 9780951, 19561902, 231482507, 462965014, 694447521, 1388895042]

約数ペア:

[(1, 1388895042), (2, 694447521), (3, 462965014), (6, 231482507), (71, 19561902), (142, 9780951), (213, 6520634), (426, 3260317)]