68356756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 138846400

約数和(自身を除く): 70489644

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 817, 988, 1118, 1609, 1634, 2236, 3218, 3268, 6436, 10621, 20917, 21242, 30571, 41834, 42484, 61142, 69187, 83668, 122284, 138374, 276748, 397423, 794846, 899431, 1314553, 1589692, 1798862, 2629106, 3597724, 5258212, 17089189, 34178378, 68356756]

約数ペア:

[(1, 68356756), (2, 34178378), (4, 17089189), (13, 5258212), (19, 3597724), (26, 2629106), (38, 1798862), (43, 1589692), (52, 1314553), (76, 899431), (86, 794846), (172, 397423), (247, 276748), (494, 138374), (559, 122284), (817, 83668), (988, 69187), (1118, 61142), (1609, 42484), (1634, 41834), (2236, 30571), (3218, 21242), (3268, 20917), (6436, 10621)]