68081618

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 48

約数和(自身を含む): 118503000

約数和(自身を除く): 50421382

約数列:

[1, 2, 11, 22, 29, 58, 89, 109, 121, 178, 218, 242, 319, 638, 979, 1199, 1958, 2398, 2581, 3161, 3509, 5162, 6322, 7018, 9701, 10769, 13189, 19402, 21538, 26378, 28391, 34771, 56782, 69542, 106711, 213422, 281329, 312301, 382481, 562658, 624602, 764962, 1173821, 2347642, 3094619, 6189238, 34040809, 68081618]

約数ペア:

[(1, 68081618), (2, 34040809), (11, 6189238), (22, 3094619), (29, 2347642), (58, 1173821), (89, 764962), (109, 624602), (121, 562658), (178, 382481), (218, 312301), (242, 281329), (319, 213422), (638, 106711), (979, 69542), (1199, 56782), (1958, 34771), (2398, 28391), (2581, 26378), (3161, 21538), (3509, 19402), (5162, 13189), (6322, 10769), (7018, 9701)]