289001908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{70351}}^1$

素因数の和:70447

約数の個数: 24

約数和(自身を含む): 551559680

約数和(自身を除く): 262557772

約数列:

[1, 2, 4, 13, 26, 52, 79, 158, 316, 1027, 2054, 4108, 70351, 140702, 281404, 914563, 1829126, 3658252, 5557729, 11115458, 22230916, 72250477, 144500954, 289001908]

約数ペア:

[(1, 289001908), (2, 144500954), (4, 72250477), (13, 22230916), (26, 11115458), (52, 5557729), (79, 3658252), (158, 1829126), (316, 914563), (1027, 281404), (2054, 140702), (4108, 70351)]