31164245

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 43879968

約数和(自身を除く): 12715723

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 971, 4585, 4855, 6419, 6797, 32095, 33985, 47579, 127201, 237895, 636005, 890407, 4452035, 6232849, 31164245]

約数ペア:

[(1, 31164245), (5, 6232849), (7, 4452035), (35, 890407), (49, 636005), (131, 237895), (245, 127201), (655, 47579), (917, 33985), (971, 32095), (4585, 6797), (4855, 6419)]