65977405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1303}}^1$

素因数の和:1381

約数の個数: 32

約数和(自身を含む): 92010240

約数和(自身を除く): 26032835

約数列:

[1, 5, 13, 19, 41, 65, 95, 205, 247, 533, 779, 1235, 1303, 2665, 3895, 6515, 10127, 16939, 24757, 50635, 53423, 84695, 123785, 267115, 321841, 694499, 1015037, 1609205, 3472495, 5075185, 13195481, 65977405]

約数ペア:

[(1, 65977405), (5, 13195481), (13, 5075185), (19, 3472495), (41, 1609205), (65, 1015037), (95, 694499), (205, 321841), (247, 267115), (533, 123785), (779, 84695), (1235, 53423), (1303, 50635), (2665, 24757), (3895, 16939), (6515, 10127)]