68257838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 114773760

約数和(自身を除く): 46515922

約数列:

[1, 2, 11, 22, 71, 89, 142, 178, 491, 781, 979, 982, 1562, 1958, 5401, 6319, 10802, 12638, 34861, 43699, 69509, 69722, 87398, 139018, 383471, 480689, 766942, 961378, 3102629, 6205258, 34128919, 68257838]

約数ペア:

[(1, 68257838), (2, 34128919), (11, 6205258), (22, 3102629), (71, 961378), (89, 766942), (142, 480689), (178, 383471), (491, 139018), (781, 87398), (979, 69722), (982, 69509), (1562, 43699), (1958, 34861), (5401, 12638), (6319, 10802)]