890396830

素因数分解:

$2^1\times 5^1\times {\mathrm{2161}}^1\times {\mathrm{41203}}^1$

素因数の和:43371

約数の個数: 16

約数和(自身を含む): 1603494864

約数和(自身を除く): 713098034

約数列:

[1, 2, 5, 10, 2161, 4322, 10805, 21610, 41203, 82406, 206015, 412030, 89039683, 178079366, 445198415, 890396830]

約数ペア:

[(1, 890396830), (2, 445198415), (5, 178079366), (10, 89039683), (2161, 412030), (4322, 206015), (10805, 82406), (21610, 41203)]