31191576

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{389}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 84520800

約数和(自身を除く): 53329224

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 257, 312, 389, 514, 771, 778, 1028, 1167, 1542, 1556, 2056, 2334, 3084, 3112, 3341, 4668, 5057, 6168, 6682, 9336, 10023, 10114, 13364, 15171, 20046, 20228, 26728, 30342, 40092, 40456, 60684, 80184, 99973, 121368, 199946, 299919, 399892, 599838, 799784, 1199676, 1299649, 2399352, 2599298, 3898947, 5198596, 7797894, 10397192, 15595788, 31191576]

約数ペア:

[(1, 31191576), (2, 15595788), (3, 10397192), (4, 7797894), (6, 5198596), (8, 3898947), (12, 2599298), (13, 2399352), (24, 1299649), (26, 1199676), (39, 799784), (52, 599838), (78, 399892), (104, 299919), (156, 199946), (257, 121368), (312, 99973), (389, 80184), (514, 60684), (771, 40456), (778, 40092), (1028, 30342), (1167, 26728), (1542, 20228), (1556, 20046), (2056, 15171), (2334, 13364), (3084, 10114), (3112, 10023), (3341, 9336), (4668, 6682), (5057, 6168)]