1280478736

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{297509}}^1$

素因数の和:297786

約数の個数: 20

約数和(自身を含む): 2490158700

約数和(自身を除く): 1209679964

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 297509, 595018, 1190036, 2380072, 4760144, 80029921, 160059842, 320119684, 640239368, 1280478736]

約数ペア:

[(1, 1280478736), (2, 640239368), (4, 320119684), (8, 160059842), (16, 80029921), (269, 4760144), (538, 2380072), (1076, 1190036), (2152, 595018), (4304, 297509)]