388628464

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{491}}^1$

素因数の和:734

約数の個数: 80

約数和(自身を含む): 890228736

約数和(自身を除く): 501600272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 191, 259, 296, 382, 491, 518, 592, 764, 982, 1036, 1337, 1528, 1964, 2072, 2674, 3056, 3437, 3928, 4144, 5348, 6874, 7067, 7856, 10696, 13748, 14134, 18167, 21392, 27496, 28268, 36334, 49469, 54992, 56536, 72668, 93781, 98938, 113072, 127169, 145336, 187562, 197876, 254338, 290672, 375124, 395752, 508676, 656467, 750248, 791504, 1017352, 1312934, 1500496, 2034704, 2625868, 3469897, 5251736, 6939794, 10503472, 13879588, 24289279, 27759176, 48578558, 55518352, 97157116, 194314232, 388628464]

約数ペア:

[(1, 388628464), (2, 194314232), (4, 97157116), (7, 55518352), (8, 48578558), (14, 27759176), (16, 24289279), (28, 13879588), (37, 10503472), (56, 6939794), (74, 5251736), (112, 3469897), (148, 2625868), (191, 2034704), (259, 1500496), (296, 1312934), (382, 1017352), (491, 791504), (518, 750248), (592, 656467), (764, 508676), (982, 395752), (1036, 375124), (1337, 290672), (1528, 254338), (1964, 197876), (2072, 187562), (2674, 145336), (3056, 127169), (3437, 113072), (3928, 98938), (4144, 93781), (5348, 72668), (6874, 56536), (7067, 54992), (7856, 49469), (10696, 36334), (13748, 28268), (14134, 27496), (18167, 21392)]