221400000028

素因数分解:

$2^2\times {\mathrm{359}}^1\times {\mathrm{154178273}}^1$

素因数の和:154178636

約数の個数: 12

約数和(自身を含む): 388529250480

約数和(自身を除く): 167129250452

約数列:

[1, 2, 4, 359, 718, 1436, 154178273, 308356546, 616713092, 55350000007, 110700000014, 221400000028]

約数ペア:

[(1, 221400000028), (2, 110700000014), (4, 55350000007), (359, 616713092), (718, 308356546), (1436, 154178273)]