71942585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 102090240

約数和(自身を除く): 30147655

約数列:

[1, 5, 11, 13, 55, 65, 143, 239, 421, 715, 1195, 2105, 2629, 3107, 4631, 5473, 13145, 15535, 23155, 27365, 34177, 60203, 100619, 170885, 301015, 503095, 1106809, 1308047, 5534045, 6540235, 14388517, 71942585]

約数ペア:

[(1, 71942585), (5, 14388517), (11, 6540235), (13, 5534045), (55, 1308047), (65, 1106809), (143, 503095), (239, 301015), (421, 170885), (715, 100619), (1195, 60203), (2105, 34177), (2629, 27365), (3107, 23155), (4631, 15535), (5473, 13145)]