158779985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11257}}^1$

素因数の和:11313

約数の個数: 32

約数和(自身を含む): 242092032

約数和(自身を除く): 83312047

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 155, 217, 403, 455, 1085, 2015, 2821, 11257, 14105, 56285, 78799, 146341, 348967, 393995, 731705, 1024387, 1744835, 2442769, 4536571, 5121935, 12213845, 22682855, 31755997, 158779985]

約数ペア:

[(1, 158779985), (5, 31755997), (7, 22682855), (13, 12213845), (31, 5121935), (35, 4536571), (65, 2442769), (91, 1744835), (155, 1024387), (217, 731705), (403, 393995), (455, 348967), (1085, 146341), (2015, 78799), (2821, 56285), (11257, 14105)]