219674772

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{1987}}^1$

素因数の和:2117

約数の個数: 72

約数和(自身を含む): 577458336

約数和(自身を除く): 357783564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 83, 111, 148, 166, 222, 249, 332, 333, 444, 498, 666, 747, 996, 1332, 1494, 1987, 2988, 3071, 3974, 5961, 6142, 7948, 9213, 11922, 12284, 17883, 18426, 23844, 27639, 35766, 36852, 55278, 71532, 73519, 110556, 147038, 164921, 220557, 294076, 329842, 441114, 494763, 659684, 661671, 882228, 989526, 1323342, 1484289, 1979052, 2646684, 2968578, 5937156, 6102077, 12204154, 18306231, 24408308, 36612462, 54918693, 73224924, 109837386, 219674772]

約数ペア:

[(1, 219674772), (2, 109837386), (3, 73224924), (4, 54918693), (6, 36612462), (9, 24408308), (12, 18306231), (18, 12204154), (36, 6102077), (37, 5937156), (74, 2968578), (83, 2646684), (111, 1979052), (148, 1484289), (166, 1323342), (222, 989526), (249, 882228), (332, 661671), (333, 659684), (444, 494763), (498, 441114), (666, 329842), (747, 294076), (996, 220557), (1332, 164921), (1494, 147038), (1987, 110556), (2988, 73519), (3071, 71532), (3974, 55278), (5961, 36852), (6142, 35766), (7948, 27639), (9213, 23844), (11922, 18426), (12284, 17883)]