642145832

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 1294634880

約数和(自身を除く): 652489048

約数列:

[1, 2, 4, 8, 23, 43, 46, 86, 92, 172, 184, 277, 293, 344, 554, 586, 989, 1108, 1172, 1978, 2216, 2344, 3956, 6371, 6739, 7912, 11911, 12599, 12742, 13478, 23822, 25198, 25484, 26956, 47644, 50396, 50968, 53912, 81161, 95288, 100792, 162322, 273953, 289777, 324644, 547906, 579554, 649288, 1095812, 1159108, 1866703, 2191624, 2318216, 3489923, 3733406, 6979846, 7466812, 13959692, 14933624, 27919384, 80268229, 160536458, 321072916, 642145832]

約数ペア:

[(1, 642145832), (2, 321072916), (4, 160536458), (8, 80268229), (23, 27919384), (43, 14933624), (46, 13959692), (86, 7466812), (92, 6979846), (172, 3733406), (184, 3489923), (277, 2318216), (293, 2191624), (344, 1866703), (554, 1159108), (586, 1095812), (989, 649288), (1108, 579554), (1172, 547906), (1978, 324644), (2216, 289777), (2344, 273953), (3956, 162322), (6371, 100792), (6739, 95288), (7912, 81161), (11911, 53912), (12599, 50968), (12742, 50396), (13478, 47644), (23822, 26956), (25198, 25484)]