13139644

素因数分解:

$2^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 27428800

約数和(自身を除く): 14289156

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 157, 196, 244, 314, 343, 427, 628, 686, 854, 1099, 1372, 1708, 2198, 2989, 4396, 5978, 7693, 9577, 11956, 15386, 19154, 20923, 30772, 38308, 41846, 53851, 67039, 83692, 107702, 134078, 215404, 268156, 469273, 938546, 1877092, 3284911, 6569822, 13139644]

約数ペア:

[(1, 13139644), (2, 6569822), (4, 3284911), (7, 1877092), (14, 938546), (28, 469273), (49, 268156), (61, 215404), (98, 134078), (122, 107702), (157, 83692), (196, 67039), (244, 53851), (314, 41846), (343, 38308), (427, 30772), (628, 20923), (686, 19154), (854, 15386), (1099, 11956), (1372, 9577), (1708, 7693), (2198, 5978), (2989, 4396)]