780900484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2145331}}^1$

素因数の和:2145355

約数の個数: 24

約数和(自身を含む): 1681940288

約数和(自身を除く): 901039804

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 2145331, 4290662, 8581324, 15017317, 27889303, 30034634, 55778606, 60069268, 111557212, 195225121, 390450242, 780900484]

約数ペア:

[(1, 780900484), (2, 390450242), (4, 195225121), (7, 111557212), (13, 60069268), (14, 55778606), (26, 30034634), (28, 27889303), (52, 15017317), (91, 8581324), (182, 4290662), (364, 2145331)]