2981206486

素因数分解:

$2^1\times {\mathrm{643}}^1\times {\mathrm{647}}^1\times {\mathrm{3583}}^1$

素因数の和:4875

約数の個数: 16

約数和(自身を含む): 4486938624

約数和(自身を除く): 1505732138

約数列:

[1, 2, 643, 647, 1286, 1294, 3583, 7166, 416021, 832042, 2303869, 2318201, 4607738, 4636402, 1490603243, 2981206486]

約数ペア:

[(1, 2981206486), (2, 1490603243), (643, 4636402), (647, 4607738), (1286, 2318201), (1294, 2303869), (3583, 832042), (7166, 416021)]