77917788

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{1423}}^1$

素因数の和:1465

約数の個数: 90

約数和(自身を含む): 220721424

約数和(自身を除く): 142803636

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 169, 234, 324, 338, 351, 468, 507, 676, 702, 1014, 1053, 1404, 1423, 1521, 2028, 2106, 2846, 3042, 4212, 4269, 4563, 5692, 6084, 8538, 9126, 12807, 13689, 17076, 18252, 18499, 25614, 27378, 36998, 38421, 51228, 54756, 55497, 73996, 76842, 110994, 115263, 153684, 166491, 221988, 230526, 240487, 332982, 461052, 480974, 499473, 665964, 721461, 961948, 998946, 1442922, 1498419, 1997892, 2164383, 2885844, 2996838, 4328766, 5993676, 6493149, 8657532, 12986298, 19479447, 25972596, 38958894, 77917788]

約数ペア:

[(1, 77917788), (2, 38958894), (3, 25972596), (4, 19479447), (6, 12986298), (9, 8657532), (12, 6493149), (13, 5993676), (18, 4328766), (26, 2996838), (27, 2885844), (36, 2164383), (39, 1997892), (52, 1498419), (54, 1442922), (78, 998946), (81, 961948), (108, 721461), (117, 665964), (156, 499473), (162, 480974), (169, 461052), (234, 332982), (324, 240487), (338, 230526), (351, 221988), (468, 166491), (507, 153684), (676, 115263), (702, 110994), (1014, 76842), (1053, 73996), (1404, 55497), (1423, 54756), (1521, 51228), (2028, 38421), (2106, 36998), (2846, 27378), (3042, 25614), (4212, 18499), (4269, 18252), (4563, 17076), (5692, 13689), (6084, 12807), (8538, 9126)]