128001665

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{211573}}^1$

素因数の和:211600

約数の個数: 12

約数和(自身を含む): 168836052

約数和(自身を除く): 40834387

約数列:

[1, 5, 11, 55, 121, 605, 211573, 1057865, 2327303, 11636515, 25600333, 128001665]

約数ペア:

[(1, 128001665), (5, 25600333), (11, 11636515), (55, 2327303), (121, 1057865), (605, 211573)]