77555556

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^1\times {\mathrm{18413}}^1$

素因数の和:18442

約数の個数: 60

約数和(自身を含む): 218353212

約数和(自身を除く): 140797656

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 324, 351, 468, 702, 1053, 1404, 2106, 4212, 18413, 36826, 55239, 73652, 110478, 165717, 220956, 239369, 331434, 478738, 497151, 662868, 718107, 957476, 994302, 1436214, 1491453, 1988604, 2154321, 2872428, 2982906, 4308642, 5965812, 6462963, 8617284, 12925926, 19388889, 25851852, 38777778, 77555556]

約数ペア:

[(1, 77555556), (2, 38777778), (3, 25851852), (4, 19388889), (6, 12925926), (9, 8617284), (12, 6462963), (13, 5965812), (18, 4308642), (26, 2982906), (27, 2872428), (36, 2154321), (39, 1988604), (52, 1491453), (54, 1436214), (78, 994302), (81, 957476), (108, 718107), (117, 662868), (156, 497151), (162, 478738), (234, 331434), (324, 239369), (351, 220956), (468, 165717), (702, 110478), (1053, 73652), (1404, 55239), (2106, 36826), (4212, 18413)]