259368304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1246963}}^1$

素因数の和:1246984

約数の個数: 20

約数和(自身を含む): 541182376

約数和(自身を除く): 281814072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1246963, 2493926, 4987852, 9975704, 16210519, 19951408, 32421038, 64842076, 129684152, 259368304]

約数ペア:

[(1, 259368304), (2, 129684152), (4, 64842076), (8, 32421038), (13, 19951408), (16, 16210519), (26, 9975704), (52, 4987852), (104, 2493926), (208, 1246963)]