1279481684

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1\times {\mathrm{1471}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 2475432960

約数和(自身を除く): 1195951276

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 389, 559, 778, 1118, 1471, 1556, 2236, 2942, 5057, 5884, 10114, 16727, 19123, 20228, 33454, 38246, 63253, 66908, 76492, 126506, 217451, 253012, 434902, 572219, 822289, 869804, 1144438, 1644578, 2288876, 3289156, 7438847, 14877694, 24605417, 29755388, 49210834, 98421668, 319870421, 639740842, 1279481684]

約数ペア:

[(1, 1279481684), (2, 639740842), (4, 319870421), (13, 98421668), (26, 49210834), (43, 29755388), (52, 24605417), (86, 14877694), (172, 7438847), (389, 3289156), (559, 2288876), (778, 1644578), (1118, 1144438), (1471, 869804), (1556, 822289), (2236, 572219), (2942, 434902), (5057, 253012), (5884, 217451), (10114, 126506), (16727, 76492), (19123, 66908), (20228, 63253), (33454, 38246)]