669983406

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1572731}}^1$

素因数の和:1572807

約数の個数: 16

約数和(自身を含む): 1358840448

約数和(自身を除く): 688857042

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 1572731, 3145462, 4718193, 9436386, 111663901, 223327802, 334991703, 669983406]

約数ペア:

[(1, 669983406), (2, 334991703), (3, 223327802), (6, 111663901), (71, 9436386), (142, 4718193), (213, 3145462), (426, 1572731)]