1378906568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{839}}^1\times {\mathrm{15803}}^1$

素因数の和:16661

約数の個数: 32

約数和(自身を含む): 2787825600

約数和(自身を除く): 1408919032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 839, 1678, 3356, 6712, 10907, 15803, 21814, 31606, 43628, 63212, 87256, 126424, 205439, 410878, 821756, 1643512, 13258717, 26517434, 53034868, 106069736, 172363321, 344726642, 689453284, 1378906568]

約数ペア:

[(1, 1378906568), (2, 689453284), (4, 344726642), (8, 172363321), (13, 106069736), (26, 53034868), (52, 26517434), (104, 13258717), (839, 1643512), (1678, 821756), (3356, 410878), (6712, 205439), (10907, 126424), (15803, 87256), (21814, 63212), (31606, 43628)]