81900564473

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1\times {\mathrm{3449}}^1$

素因数の和:4497

約数の個数: 32

約数和(自身を含む): 101227526400

約数和(自身を除く): 19326961927

約数列:

[1, 7, 13, 91, 457, 571, 3199, 3449, 3997, 5941, 7423, 24143, 41587, 44837, 51961, 260947, 313859, 1576193, 1826629, 1969379, 3392311, 11033351, 13785653, 20490509, 23746177, 25601927, 143433563, 179213489, 900006203, 6300043421, 11700080639, 81900564473]

約数ペア:

[(1, 81900564473), (7, 11700080639), (13, 6300043421), (91, 900006203), (457, 179213489), (571, 143433563), (3199, 25601927), (3449, 23746177), (3997, 20490509), (5941, 13785653), (7423, 11033351), (24143, 3392311), (41587, 1969379), (44837, 1826629), (51961, 1576193), (260947, 313859)]