997980228

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{3571}}^1$

素因数の和:4697

約数の個数: 72

約数和(自身を含む): 2886461760

約数和(自身を除く): 1888481532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1109, 2218, 3327, 3571, 4436, 6654, 7142, 7763, 9981, 10713, 13308, 14284, 15526, 19962, 21426, 23289, 24997, 31052, 32139, 39924, 42852, 46578, 49994, 64278, 69867, 74991, 93156, 99988, 128556, 139734, 149982, 224973, 279468, 299964, 449946, 899892, 3960239, 7920478, 11880717, 15840956, 23761434, 27721673, 35642151, 47522868, 55443346, 71284302, 83165019, 110886692, 142568604, 166330038, 249495057, 332660076, 498990114, 997980228]

約数ペア:

[(1, 997980228), (2, 498990114), (3, 332660076), (4, 249495057), (6, 166330038), (7, 142568604), (9, 110886692), (12, 83165019), (14, 71284302), (18, 55443346), (21, 47522868), (28, 35642151), (36, 27721673), (42, 23761434), (63, 15840956), (84, 11880717), (126, 7920478), (252, 3960239), (1109, 899892), (2218, 449946), (3327, 299964), (3571, 279468), (4436, 224973), (6654, 149982), (7142, 139734), (7763, 128556), (9981, 99988), (10713, 93156), (13308, 74991), (14284, 69867), (15526, 64278), (19962, 49994), (21426, 46578), (23289, 42852), (24997, 39924), (31052, 32139)]