16403390

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{11801}}^1$

素因数の和:11947

約数の個数: 16

約数和(自身を含む): 29741040

約数和(自身を除く): 13337650

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 11801, 23602, 59005, 118010, 1640339, 3280678, 8201695, 16403390]

約数ペア:

[(1, 16403390), (2, 8201695), (5, 3280678), (10, 1640339), (139, 118010), (278, 59005), (695, 23602), (1390, 11801)]