681738178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{48193}}^1$

素因数の和:48849

約数の個数: 16

約数和(自身を含む): 1117329696

約数和(自身を除く): 435591518

約数列:

[1, 2, 11, 22, 643, 1286, 7073, 14146, 48193, 96386, 530123, 1060246, 30988099, 61976198, 340869089, 681738178]

約数ペア:

[(1, 681738178), (2, 340869089), (11, 61976198), (22, 30988099), (643, 1060246), (1286, 530123), (7073, 96386), (14146, 48193)]