71961799

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 94663296

約数和(自身を除く): 22701497

約数列:

[1, 7, 13, 17, 91, 119, 181, 221, 257, 1267, 1547, 1799, 2353, 3077, 3341, 4369, 16471, 21539, 23387, 30583, 40001, 46517, 56797, 280007, 325619, 397579, 604721, 790789, 4233047, 5535523, 10280257, 71961799]

約数ペア:

[(1, 71961799), (7, 10280257), (13, 5535523), (17, 4233047), (91, 790789), (119, 604721), (181, 397579), (221, 325619), (257, 280007), (1267, 56797), (1547, 46517), (1799, 40001), (2353, 30583), (3077, 23387), (3341, 21539), (4369, 16471)]