640058744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{84307}}^1$

素因数の和:84399

約数の個数: 32

約数和(自身を含む): 1310146320

約数和(自身を除く): 670087576

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 84307, 168614, 337228, 674456, 1095991, 2191982, 4383964, 6154411, 8767928, 12308822, 24617644, 49235288, 80007343, 160014686, 320029372, 640058744]

約数ペア:

[(1, 640058744), (2, 320029372), (4, 160014686), (8, 80007343), (13, 49235288), (26, 24617644), (52, 12308822), (73, 8767928), (104, 6154411), (146, 4383964), (292, 2191982), (584, 1095991), (949, 674456), (1898, 337228), (3796, 168614), (7592, 84307)]