81162744

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260137}}^1$

素因数の和:260159

約数の個数: 32

約数和(自身を含む): 218515920

約数和(自身を除く): 137353176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260137, 520274, 780411, 1040548, 1560822, 2081096, 3121644, 3381781, 6243288, 6763562, 10145343, 13527124, 20290686, 27054248, 40581372, 81162744]

約数ペア:

[(1, 81162744), (2, 40581372), (3, 27054248), (4, 20290686), (6, 13527124), (8, 10145343), (12, 6763562), (13, 6243288), (24, 3381781), (26, 3121644), (39, 2081096), (52, 1560822), (78, 1040548), (104, 780411), (156, 520274), (312, 260137)]