997668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 72

約数和(自身を含む): 2987712

約数和(自身を除く): 1990044

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 37, 42, 63, 74, 84, 107, 111, 126, 148, 214, 222, 252, 259, 321, 333, 428, 444, 518, 642, 666, 749, 777, 963, 1036, 1284, 1332, 1498, 1554, 1926, 2247, 2331, 2996, 3108, 3852, 3959, 4494, 4662, 6741, 7918, 8988, 9324, 11877, 13482, 15836, 23754, 26964, 27713, 35631, 47508, 55426, 71262, 83139, 110852, 142524, 166278, 249417, 332556, 498834, 997668]

約数ペア:

[(1, 997668), (2, 498834), (3, 332556), (4, 249417), (6, 166278), (7, 142524), (9, 110852), (12, 83139), (14, 71262), (18, 55426), (21, 47508), (28, 35631), (36, 27713), (37, 26964), (42, 23754), (63, 15836), (74, 13482), (84, 11877), (107, 9324), (111, 8988), (126, 7918), (148, 6741), (214, 4662), (222, 4494), (252, 3959), (259, 3852), (321, 3108), (333, 2996), (428, 2331), (444, 2247), (518, 1926), (642, 1554), (666, 1498), (749, 1332), (777, 1284), (963, 1036)]