640936116

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{301759}}^1$

素因数の和:301828

約数の個数: 36

約数和(自身を含む): 1647609600

約数和(自身を除く): 1006673484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 118, 177, 236, 354, 531, 708, 1062, 2124, 301759, 603518, 905277, 1207036, 1810554, 2715831, 3621108, 5431662, 10863324, 17803781, 35607562, 53411343, 71215124, 106822686, 160234029, 213645372, 320468058, 640936116]

約数ペア:

[(1, 640936116), (2, 320468058), (3, 213645372), (4, 160234029), (6, 106822686), (9, 71215124), (12, 53411343), (18, 35607562), (36, 17803781), (59, 10863324), (118, 5431662), (177, 3621108), (236, 2715831), (354, 1810554), (531, 1207036), (708, 905277), (1062, 603518), (2124, 301759)]