31455788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{839}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 68490240

約数和(自身を除く): 37034452

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 721, 839, 1339, 1442, 1678, 2678, 2884, 3356, 5356, 5873, 9373, 10907, 11746, 18746, 21814, 23492, 37492, 43628, 76349, 86417, 152698, 172834, 305396, 345668, 604919, 1123421, 1209838, 2246842, 2419676, 4493684, 7863947, 15727894, 31455788]

約数ペア:

[(1, 31455788), (2, 15727894), (4, 7863947), (7, 4493684), (13, 2419676), (14, 2246842), (26, 1209838), (28, 1123421), (52, 604919), (91, 345668), (103, 305396), (182, 172834), (206, 152698), (364, 86417), (412, 76349), (721, 43628), (839, 37492), (1339, 23492), (1442, 21814), (1678, 18746), (2678, 11746), (2884, 10907), (3356, 9373), (5356, 5873)]