26831155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 36122688

約数和(自身を除く): 9291533

約数列:

[1, 5, 13, 61, 65, 67, 101, 305, 335, 505, 793, 871, 1313, 3965, 4087, 4355, 6161, 6565, 6767, 20435, 30805, 33835, 53131, 80093, 87971, 265655, 400465, 412787, 439855, 2063935, 5366231, 26831155]

約数ペア:

[(1, 26831155), (5, 5366231), (13, 2063935), (61, 439855), (65, 412787), (67, 400465), (101, 265655), (305, 87971), (335, 80093), (505, 53131), (793, 33835), (871, 30805), (1313, 20435), (3965, 6767), (4087, 6565), (4355, 6161)]