68421991

素因数分解:

${\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 87333120

約数和(自身を除く): 18911129

約数列:

[1, 11, 17, 29, 31, 37, 121, 187, 319, 341, 407, 493, 527, 629, 899, 1073, 1147, 2057, 3509, 3751, 4477, 5423, 5797, 6919, 9889, 11803, 12617, 15283, 18241, 19499, 33263, 59653, 63767, 76109, 108779, 129833, 138787, 168113, 200651, 214489, 365893, 565471, 1849243, 2207161, 2359379, 4024823, 6220181, 68421991]

約数ペア:

[(1, 68421991), (11, 6220181), (17, 4024823), (29, 2359379), (31, 2207161), (37, 1849243), (121, 565471), (187, 365893), (319, 214489), (341, 200651), (407, 168113), (493, 138787), (527, 129833), (629, 108779), (899, 76109), (1073, 63767), (1147, 59653), (2057, 33263), (3509, 19499), (3751, 18241), (4477, 15283), (5423, 12617), (5797, 11803), (6919, 9889)]