1661566788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1$

素因数の和:618

約数の個数: 144

約数和(自身を含む): 4883598720

約数和(自身を除く): 3222031932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 109, 126, 218, 241, 251, 252, 327, 436, 482, 502, 654, 723, 753, 763, 964, 981, 1004, 1308, 1446, 1506, 1526, 1687, 1757, 1962, 2169, 2259, 2289, 2892, 3012, 3052, 3374, 3514, 3924, 4338, 4518, 4578, 5061, 5271, 6748, 6867, 7028, 8676, 9036, 9156, 10122, 10542, 13734, 15183, 15813, 20244, 21084, 26269, 27359, 27468, 30366, 31626, 52538, 54718, 60491, 60732, 63252, 78807, 82077, 105076, 109436, 120982, 157614, 164154, 181473, 183883, 191513, 236421, 241964, 246231, 315228, 328308, 362946, 367766, 383026, 423437, 472842, 492462, 544419, 551649, 574539, 725892, 735532, 766052, 846874, 945684, 984924, 1088838, 1103298, 1149078, 1270311, 1654947, 1693748, 1723617, 2177676, 2206596, 2298156, 2540622, 3309894, 3447234, 3810933, 5081244, 6593519, 6619788, 6894468, 7621866, 13187038, 15243732, 19780557, 26374076, 39561114, 46154633, 59341671, 79122228, 92309266, 118683342, 138463899, 184618532, 237366684, 276927798, 415391697, 553855596, 830783394, 1661566788]

約数ペア:

[(1, 1661566788), (2, 830783394), (3, 553855596), (4, 415391697), (6, 276927798), (7, 237366684), (9, 184618532), (12, 138463899), (14, 118683342), (18, 92309266), (21, 79122228), (28, 59341671), (36, 46154633), (42, 39561114), (63, 26374076), (84, 19780557), (109, 15243732), (126, 13187038), (218, 7621866), (241, 6894468), (251, 6619788), (252, 6593519), (327, 5081244), (436, 3810933), (482, 3447234), (502, 3309894), (654, 2540622), (723, 2298156), (753, 2206596), (763, 2177676), (964, 1723617), (981, 1693748), (1004, 1654947), (1308, 1270311), (1446, 1149078), (1506, 1103298), (1526, 1088838), (1687, 984924), (1757, 945684), (1962, 846874), (2169, 766052), (2259, 735532), (2289, 725892), (2892, 574539), (3012, 551649), (3052, 544419), (3374, 492462), (3514, 472842), (3924, 423437), (4338, 383026), (4518, 367766), (4578, 362946), (5061, 328308), (5271, 315228), (6748, 246231), (6867, 241964), (7028, 236421), (8676, 191513), (9036, 183883), (9156, 181473), (10122, 164154), (10542, 157614), (13734, 120982), (15183, 109436), (15813, 105076), (20244, 82077), (21084, 78807), (26269, 63252), (27359, 60732), (27468, 60491), (30366, 54718), (31626, 52538)]