81712117802

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6421}}^1\times {\mathrm{39521}}^1$

素因数の和:45974

約数の個数: 32

約数和(自身を含む): 146194723584

約数和(自身を除く): 64482605782

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 6421, 12842, 39521, 44947, 79042, 89894, 147683, 276647, 295366, 553294, 908983, 1033781, 1817966, 2067562, 6362881, 12725762, 253764341, 507528682, 1776350387, 3552700774, 5836579843, 11673159686, 40856058901, 81712117802]

約数ペア:

[(1, 81712117802), (2, 40856058901), (7, 11673159686), (14, 5836579843), (23, 3552700774), (46, 1776350387), (161, 507528682), (322, 253764341), (6421, 12725762), (12842, 6362881), (39521, 2067562), (44947, 1817966), (79042, 1033781), (89894, 908983), (147683, 553294), (276647, 295366)]