256914936

素因数分解:

$2^3\times 3^3\times {\mathrm{997}}^1\times {\mathrm{1193}}^1$

素因数の和:2205

約数の個数: 64

約数和(自身を含む): 714967200

約数和(自身を除く): 458052264

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 997, 1193, 1994, 2386, 2991, 3579, 3988, 4772, 5982, 7158, 7976, 8973, 9544, 10737, 11964, 14316, 17946, 21474, 23928, 26919, 28632, 32211, 35892, 42948, 53838, 64422, 71784, 85896, 107676, 128844, 215352, 257688, 1189421, 2378842, 3568263, 4757684, 7136526, 9515368, 10704789, 14273052, 21409578, 28546104, 32114367, 42819156, 64228734, 85638312, 128457468, 256914936]

約数ペア:

[(1, 256914936), (2, 128457468), (3, 85638312), (4, 64228734), (6, 42819156), (8, 32114367), (9, 28546104), (12, 21409578), (18, 14273052), (24, 10704789), (27, 9515368), (36, 7136526), (54, 4757684), (72, 3568263), (108, 2378842), (216, 1189421), (997, 257688), (1193, 215352), (1994, 128844), (2386, 107676), (2991, 85896), (3579, 71784), (3988, 64422), (4772, 53838), (5982, 42948), (7158, 35892), (7976, 32211), (8973, 28632), (9544, 26919), (10737, 23928), (11964, 21474), (14316, 17946)]