81277297918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{15387599}}^1$

素因数の和:15387759

約数の個数: 16

約数和(自身を含む): 129255840000

約数和(自身を除く): 47978542082

約数列:

[1, 2, 19, 38, 139, 278, 2641, 5282, 15387599, 30775198, 292364381, 584728762, 2138876261, 4277752522, 40638648959, 81277297918]

約数ペア:

[(1, 81277297918), (2, 40638648959), (19, 4277752522), (38, 2138876261), (139, 584728762), (278, 292364381), (2641, 30775198), (5282, 15387599)]