68198543

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 23731057

約数列:

[1, 7, 17, 19, 31, 49, 119, 133, 139, 217, 323, 527, 589, 833, 931, 973, 1519, 2261, 2363, 2641, 3689, 4123, 4309, 6811, 10013, 15827, 16541, 18487, 25823, 28861, 30163, 44897, 70091, 73253, 81871, 115787, 129409, 211141, 314279, 490637, 512771, 573097, 1391807, 2199953, 3589397, 4011679, 9742649, 68198543]

約数ペア:

[(1, 68198543), (7, 9742649), (17, 4011679), (19, 3589397), (31, 2199953), (49, 1391807), (119, 573097), (133, 512771), (139, 490637), (217, 314279), (323, 211141), (527, 129409), (589, 115787), (833, 81871), (931, 73253), (973, 70091), (1519, 44897), (2261, 30163), (2363, 28861), (2641, 25823), (3689, 18487), (4123, 16541), (4309, 15827), (6811, 10013)]