131115790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{27259}}^1$

素因数の和:27316

約数の個数: 32

約数和(自身を含む): 261041760

約数和(自身を除く): 129925970

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4810, 27259, 54518, 136295, 272590, 354367, 708734, 1008583, 1771835, 2017166, 3543670, 5042915, 10085830, 13111579, 26223158, 65557895, 131115790]

約数ペア:

[(1, 131115790), (2, 65557895), (5, 26223158), (10, 13111579), (13, 10085830), (26, 5042915), (37, 3543670), (65, 2017166), (74, 1771835), (130, 1008583), (185, 708734), (370, 354367), (481, 272590), (962, 136295), (2405, 54518), (4810, 27259)]