40840709

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 56217600

約数和(自身を除く): 15376891

約数列:

[1, 7, 13, 19, 23, 79, 91, 133, 161, 169, 247, 299, 437, 553, 1027, 1183, 1501, 1729, 1817, 2093, 3059, 3211, 3887, 5681, 7189, 10507, 12719, 13351, 19513, 22477, 23621, 27209, 34523, 39767, 73853, 93457, 136591, 165347, 241661, 253669, 307073, 448799, 516971, 1775683, 2149511, 3141593, 5834387, 40840709]

約数ペア:

[(1, 40840709), (7, 5834387), (13, 3141593), (19, 2149511), (23, 1775683), (79, 516971), (91, 448799), (133, 307073), (161, 253669), (169, 241661), (247, 165347), (299, 136591), (437, 93457), (553, 73853), (1027, 39767), (1183, 34523), (1501, 27209), (1729, 23621), (1817, 22477), (2093, 19513), (3059, 13351), (3211, 12719), (3887, 10507), (5681, 7189)]