172978938

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1920

約数の個数: 72

約数和(自身を含む): 421765344

約数和(自身を除く): 248786406

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 43, 66, 86, 99, 121, 129, 198, 242, 258, 363, 387, 473, 726, 774, 946, 1089, 1419, 1847, 2178, 2838, 3694, 4257, 5203, 5541, 8514, 10406, 11082, 15609, 16623, 20317, 31218, 33246, 40634, 46827, 60951, 79421, 93654, 121902, 158842, 182853, 223487, 238263, 365706, 446974, 476526, 670461, 714789, 873631, 1340922, 1429578, 1747262, 2011383, 2620893, 4022766, 5241786, 7862679, 9609941, 15725358, 19219882, 28829823, 57659646, 86489469, 172978938]

約数ペア:

[(1, 172978938), (2, 86489469), (3, 57659646), (6, 28829823), (9, 19219882), (11, 15725358), (18, 9609941), (22, 7862679), (33, 5241786), (43, 4022766), (66, 2620893), (86, 2011383), (99, 1747262), (121, 1429578), (129, 1340922), (198, 873631), (242, 714789), (258, 670461), (363, 476526), (387, 446974), (473, 365706), (726, 238263), (774, 223487), (946, 182853), (1089, 158842), (1419, 121902), (1847, 93654), (2178, 79421), (2838, 60951), (3694, 46827), (4257, 40634), (5203, 33246), (5541, 31218), (8514, 20317), (10406, 16623), (11082, 15609)]