128891154

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{11941}}^1$

素因数の和:12210

約数の個数: 32

約数和(自身を含む): 295779456

約数和(自身を除く): 166888302

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1542, 1799, 3598, 5397, 10794, 11941, 23882, 35823, 71646, 83587, 167174, 250761, 501522, 3068837, 6137674, 9206511, 18413022, 21481859, 42963718, 64445577, 128891154]

約数ペア:

[(1, 128891154), (2, 64445577), (3, 42963718), (6, 21481859), (7, 18413022), (14, 9206511), (21, 6137674), (42, 3068837), (257, 501522), (514, 250761), (771, 167174), (1542, 83587), (1799, 71646), (3598, 35823), (5397, 23882), (10794, 11941)]