31427578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 60082560

約数和(自身を除く): 28654982

約数列:

[1, 2, 7, 13, 14, 26, 37, 74, 91, 169, 182, 259, 338, 359, 481, 518, 718, 962, 1183, 2366, 2513, 3367, 4667, 5026, 6253, 6734, 9334, 12506, 13283, 26566, 32669, 43771, 60671, 65338, 87542, 92981, 121342, 172679, 185962, 345358, 424697, 849394, 1208753, 2244827, 2417506, 4489654, 15713789, 31427578]

約数ペア:

[(1, 31427578), (2, 15713789), (7, 4489654), (13, 2417506), (14, 2244827), (26, 1208753), (37, 849394), (74, 424697), (91, 345358), (169, 185962), (182, 172679), (259, 121342), (338, 92981), (359, 87542), (481, 65338), (518, 60671), (718, 43771), (962, 32669), (1183, 26566), (2366, 13283), (2513, 12506), (3367, 9334), (4667, 6734), (5026, 6253)]