81228646

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{389}}^1\times {\mathrm{797}}^1$

素因数の和:1319

約数の個数: 16

約数和(自身を含む): 123243120

約数和(自身を除く): 42014474

約数列:

[1, 2, 131, 262, 389, 778, 797, 1594, 50959, 101918, 104407, 208814, 310033, 620066, 40614323, 81228646]

約数ペア:

[(1, 81228646), (2, 40614323), (131, 620066), (262, 310033), (389, 208814), (778, 104407), (797, 101918), (1594, 50959)]