388638752466

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{912297541}}^1$

素因数の和:912297617

約数の個数: 16

約数和(自身を含む): 788225076288

約数和(自身を除く): 399586323822

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 912297541, 1824595082, 2736892623, 5473785246, 64773125411, 129546250822, 194319376233, 388638752466]

約数ペア:

[(1, 388638752466), (2, 194319376233), (3, 129546250822), (6, 64773125411), (71, 5473785246), (142, 2736892623), (213, 1824595082), (426, 912297541)]