389645906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{599}}^1$

素因数の和:938

約数の個数: 32

約数和(自身を含む): 638668800

約数和(自身を除く): 249022894

約数列:

[1, 2, 13, 26, 127, 197, 254, 394, 599, 1198, 1651, 2561, 3302, 5122, 7787, 15574, 25019, 50038, 76073, 118003, 152146, 236006, 325247, 650494, 988949, 1534039, 1977898, 3068078, 14986381, 29972762, 194822953, 389645906]

約数ペア:

[(1, 389645906), (2, 194822953), (13, 29972762), (26, 14986381), (127, 3068078), (197, 1977898), (254, 1534039), (394, 988949), (599, 650494), (1198, 325247), (1651, 236006), (2561, 152146), (3302, 118003), (5122, 76073), (7787, 50038), (15574, 25019)]