7279986

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 17740800

約数和(自身を除く): 10460814

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 43, 58, 86, 87, 129, 139, 174, 203, 258, 278, 301, 406, 417, 602, 609, 834, 903, 973, 1218, 1247, 1806, 1946, 2494, 2919, 3741, 4031, 5838, 5977, 7482, 8062, 8729, 11954, 12093, 17458, 17931, 24186, 26187, 28217, 35862, 41839, 52374, 56434, 83678, 84651, 125517, 169302, 173333, 251034, 346666, 519999, 1039998, 1213331, 2426662, 3639993, 7279986]

約数ペア:

[(1, 7279986), (2, 3639993), (3, 2426662), (6, 1213331), (7, 1039998), (14, 519999), (21, 346666), (29, 251034), (42, 173333), (43, 169302), (58, 125517), (86, 84651), (87, 83678), (129, 56434), (139, 52374), (174, 41839), (203, 35862), (258, 28217), (278, 26187), (301, 24186), (406, 17931), (417, 17458), (602, 12093), (609, 11954), (834, 8729), (903, 8062), (973, 7482), (1218, 5977), (1247, 5838), (1806, 4031), (1946, 3741), (2494, 2919)]