68330668

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{379}}^1$

素因数の和:574

約数の個数: 48

約数和(自身を含む): 140958720

約数和(自身を除く): 72628052

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 137, 188, 274, 329, 379, 548, 658, 758, 959, 1316, 1516, 1918, 2653, 3836, 5306, 6439, 10612, 12878, 17813, 25756, 35626, 45073, 51923, 71252, 90146, 103846, 124691, 180292, 207692, 249382, 363461, 498764, 726922, 1453844, 2440381, 4880762, 9761524, 17082667, 34165334, 68330668]

約数ペア:

[(1, 68330668), (2, 34165334), (4, 17082667), (7, 9761524), (14, 4880762), (28, 2440381), (47, 1453844), (94, 726922), (137, 498764), (188, 363461), (274, 249382), (329, 207692), (379, 180292), (548, 124691), (658, 103846), (758, 90146), (959, 71252), (1316, 51923), (1516, 45073), (1918, 35626), (2653, 25756), (3836, 17813), (5306, 12878), (6439, 10612)]