88911431

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1996

約数の個数: 20

約数和(自身を含む): 109239000

約数和(自身を除く): 20327569

約数列:

[1, 7, 19, 49, 133, 343, 931, 1949, 2401, 6517, 13643, 37031, 45619, 95501, 259217, 668507, 1814519, 4679549, 12701633, 88911431]

約数ペア:

[(1, 88911431), (7, 12701633), (19, 4679549), (49, 1814519), (133, 668507), (343, 259217), (931, 95501), (1949, 45619), (2401, 37031), (6517, 13643)]