1220551475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{1531}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 1787218944

約数和(自身を除く): 566667469

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 223, 275, 325, 715, 1115, 1531, 2453, 2899, 3575, 5575, 7655, 12265, 14495, 16841, 19903, 31889, 38275, 61325, 72475, 84205, 99515, 159445, 218933, 341413, 421025, 497575, 797225, 1094665, 1707065, 3755543, 4438369, 5473325, 8535325, 18777715, 22191845, 48822059, 93888575, 110959225, 244110295, 1220551475]

約数ペア:

[(1, 1220551475), (5, 244110295), (11, 110959225), (13, 93888575), (25, 48822059), (55, 22191845), (65, 18777715), (143, 8535325), (223, 5473325), (275, 4438369), (325, 3755543), (715, 1707065), (1115, 1094665), (1531, 797225), (2453, 497575), (2899, 421025), (3575, 341413), (5575, 218933), (7655, 159445), (12265, 99515), (14495, 84205), (16841, 72475), (19903, 61325), (31889, 38275)]