128445244

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{88951}}^1$

素因数の和:88993

約数の個数: 18

約数和(自身を含む): 237234984

約数和(自身を除く): 108789740

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 88951, 177902, 355804, 1690069, 3380138, 6760276, 32111311, 64222622, 128445244]

約数ペア:

[(1, 128445244), (2, 64222622), (4, 32111311), (19, 6760276), (38, 3380138), (76, 1690069), (361, 355804), (722, 177902), (1444, 88951)]