201321978

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 484239168

約数和(自身を除く): 282917190

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 83, 121, 143, 166, 242, 249, 257, 286, 363, 429, 498, 514, 726, 771, 858, 913, 1079, 1542, 1573, 1826, 2158, 2739, 2827, 3146, 3237, 3341, 4719, 5478, 5654, 6474, 6682, 8481, 9438, 10023, 10043, 11869, 16962, 20046, 20086, 21331, 23738, 30129, 31097, 35607, 36751, 42662, 60258, 62194, 63993, 71214, 73502, 93291, 110253, 127986, 130559, 186582, 220506, 234641, 261118, 277303, 391677, 404261, 469282, 554606, 703923, 783354, 808522, 831909, 1212783, 1407846, 1663818, 2425566, 2581051, 3050333, 5162102, 6100666, 7743153, 9150999, 15486306, 18301998, 33553663, 67107326, 100660989, 201321978]

約数ペア:

[(1, 201321978), (2, 100660989), (3, 67107326), (6, 33553663), (11, 18301998), (13, 15486306), (22, 9150999), (26, 7743153), (33, 6100666), (39, 5162102), (66, 3050333), (78, 2581051), (83, 2425566), (121, 1663818), (143, 1407846), (166, 1212783), (242, 831909), (249, 808522), (257, 783354), (286, 703923), (363, 554606), (429, 469282), (498, 404261), (514, 391677), (726, 277303), (771, 261118), (858, 234641), (913, 220506), (1079, 186582), (1542, 130559), (1573, 127986), (1826, 110253), (2158, 93291), (2739, 73502), (2827, 71214), (3146, 63993), (3237, 62194), (3341, 60258), (4719, 42662), (5478, 36751), (5654, 35607), (6474, 31097), (6682, 30129), (8481, 23738), (9438, 21331), (10023, 20086), (10043, 20046), (11869, 16962)]