8651916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:188

約数の個数: 144

約数和(自身を含む): 28537600

約数和(自身を除く): 19885684

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 28, 36, 38, 39, 42, 52, 57, 63, 76, 78, 84, 91, 114, 117, 126, 133, 139, 156, 171, 182, 228, 234, 247, 252, 266, 273, 278, 342, 364, 399, 417, 468, 494, 532, 546, 556, 684, 741, 798, 819, 834, 973, 988, 1092, 1197, 1251, 1482, 1596, 1638, 1668, 1729, 1807, 1946, 2223, 2394, 2502, 2641, 2919, 2964, 3276, 3458, 3614, 3892, 4446, 4788, 5004, 5187, 5282, 5421, 5838, 6916, 7228, 7923, 8757, 8892, 10374, 10564, 10842, 11676, 12649, 15561, 15846, 16263, 17514, 18487, 20748, 21684, 23769, 25298, 31122, 31692, 32526, 34333, 35028, 36974, 37947, 47538, 50596, 55461, 62244, 65052, 68666, 73948, 75894, 95076, 102999, 110922, 113841, 137332, 151788, 166383, 205998, 221844, 227682, 240331, 308997, 332766, 411996, 455364, 480662, 617994, 665532, 720993, 961324, 1235988, 1441986, 2162979, 2883972, 4325958, 8651916]

約数ペア:

[(1, 8651916), (2, 4325958), (3, 2883972), (4, 2162979), (6, 1441986), (7, 1235988), (9, 961324), (12, 720993), (13, 665532), (14, 617994), (18, 480662), (19, 455364), (21, 411996), (26, 332766), (28, 308997), (36, 240331), (38, 227682), (39, 221844), (42, 205998), (52, 166383), (57, 151788), (63, 137332), (76, 113841), (78, 110922), (84, 102999), (91, 95076), (114, 75894), (117, 73948), (126, 68666), (133, 65052), (139, 62244), (156, 55461), (171, 50596), (182, 47538), (228, 37947), (234, 36974), (247, 35028), (252, 34333), (266, 32526), (273, 31692), (278, 31122), (342, 25298), (364, 23769), (399, 21684), (417, 20748), (468, 18487), (494, 17514), (532, 16263), (546, 15846), (556, 15561), (684, 12649), (741, 11676), (798, 10842), (819, 10564), (834, 10374), (973, 8892), (988, 8757), (1092, 7923), (1197, 7228), (1251, 6916), (1482, 5838), (1596, 5421), (1638, 5282), (1668, 5187), (1729, 5004), (1807, 4788), (1946, 4446), (2223, 3892), (2394, 3614), (2502, 3458), (2641, 3276), (2919, 2964)]