81396638

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1\times {\mathrm{2357}}^1$

素因数の和:2947

約数の個数: 16

約数和(自身を含む): 126313344

約数和(自身を除く): 44916706

約数列:

[1, 2, 31, 62, 557, 1114, 2357, 4714, 17267, 34534, 73067, 146134, 1312849, 2625698, 40698319, 81396638]

約数ペア:

[(1, 81396638), (2, 40698319), (31, 2625698), (62, 1312849), (557, 146134), (1114, 73067), (2357, 34534), (4714, 17267)]