641375999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{110221}}^1$

素因数の和:110278

約数の個数: 12

約数和(自身を含む): 731433192

約数和(自身を除く): 90057193

約数列:

[1, 11, 23, 253, 529, 5819, 110221, 1212431, 2535083, 27885913, 58306909, 641375999]

約数ペア:

[(1, 641375999), (11, 58306909), (23, 27885913), (253, 2535083), (529, 1212431), (5819, 110221)]