128869928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{86143}}^1$

素因数の和:86177

約数の個数: 32

約数和(自身を含む): 279106560

約数和(自身を除く): 150236632

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 374, 748, 1496, 86143, 172286, 344572, 689144, 947573, 1464431, 1895146, 2928862, 3790292, 5857724, 7580584, 11715448, 16108741, 32217482, 64434964, 128869928]

約数ペア:

[(1, 128869928), (2, 64434964), (4, 32217482), (8, 16108741), (11, 11715448), (17, 7580584), (22, 5857724), (34, 3790292), (44, 2928862), (68, 1895146), (88, 1464431), (136, 947573), (187, 689144), (374, 344572), (748, 172286), (1496, 86143)]