129417968

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2161}}^1$

素因数の和:2385

約数の個数: 40

約数和(自身を含む): 265407120

約数和(自身を除く): 135989152

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 197, 304, 394, 788, 1576, 2161, 3152, 3743, 4322, 7486, 8644, 14972, 17288, 29944, 34576, 41059, 59888, 82118, 164236, 328472, 425717, 656944, 851434, 1702868, 3405736, 6811472, 8088623, 16177246, 32354492, 64708984, 129417968]

約数ペア:

[(1, 129417968), (2, 64708984), (4, 32354492), (8, 16177246), (16, 8088623), (19, 6811472), (38, 3405736), (76, 1702868), (152, 851434), (197, 656944), (304, 425717), (394, 328472), (788, 164236), (1576, 82118), (2161, 59888), (3152, 41059), (3743, 34576), (4322, 29944), (7486, 17288), (8644, 14972)]