391289936

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{788891}}^1$

素因数の和:788930

約数の個数: 20

約数和(自身を含む): 782580864

約数和(自身を除く): 391290928

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 788891, 1577782, 3155564, 6311128, 12622256, 24455621, 48911242, 97822484, 195644968, 391289936]

約数ペア:

[(1, 391289936), (2, 195644968), (4, 97822484), (8, 48911242), (16, 24455621), (31, 12622256), (62, 6311128), (124, 3155564), (248, 1577782), (496, 788891)]