171968615

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{2503}}^1$

素因数の和:2679

約数の個数: 32

約数和(自身を含む): 255768576

約数和(自身を除く): 83799961

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 455, 755, 1057, 1963, 2503, 5285, 9815, 12515, 13741, 17521, 32539, 68705, 87605, 162695, 227773, 377953, 1138865, 1889765, 2645671, 4913389, 13228355, 24566945, 34393723, 171968615]

約数ペア:

[(1, 171968615), (5, 34393723), (7, 24566945), (13, 13228355), (35, 4913389), (65, 2645671), (91, 1889765), (151, 1138865), (455, 377953), (755, 227773), (1057, 162695), (1963, 87605), (2503, 68705), (5285, 32539), (9815, 17521), (12515, 13741)]