31124665

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 44416512

約数和(自身を除く): 13291847

約数列:

[1, 5, 11, 13, 55, 65, 101, 143, 431, 505, 715, 1111, 1313, 2155, 4741, 5555, 5603, 6565, 14443, 23705, 28015, 43531, 61633, 72215, 217655, 308165, 478841, 565903, 2394205, 2829515, 6224933, 31124665]

約数ペア:

[(1, 31124665), (5, 6224933), (11, 2829515), (13, 2394205), (55, 565903), (65, 478841), (101, 308165), (143, 217655), (431, 72215), (505, 61633), (715, 43531), (1111, 28015), (1313, 23705), (2155, 14443), (4741, 6565), (5555, 5603)]