2780053705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{20357}}^1$

素因数の和:20577

約数の個数: 32

約数和(自身を含む): 3940005888

約数和(自身を除く): 1159952183

約数列:

[1, 5, 11, 13, 55, 65, 143, 191, 715, 955, 2101, 2483, 10505, 12415, 20357, 27313, 101785, 136565, 223927, 264641, 1119635, 1323205, 2911051, 3888187, 14555255, 19440935, 42770057, 50546431, 213850285, 252732155, 556010741, 2780053705]

約数ペア:

[(1, 2780053705), (5, 556010741), (11, 252732155), (13, 213850285), (55, 50546431), (65, 42770057), (143, 19440935), (191, 14555255), (715, 3888187), (955, 2911051), (2101, 1323205), (2483, 1119635), (10505, 264641), (12415, 223927), (20357, 136565), (27313, 101785)]