388887716

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{919}}^1$

素因数の和:1081

約数の個数: 72

約数和(自身を含む): 845752320

約数和(自身を除く): 456864604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 127, 196, 238, 254, 476, 508, 833, 889, 919, 1666, 1778, 1838, 2159, 3332, 3556, 3676, 4318, 6223, 6433, 8636, 12446, 12866, 15113, 15623, 24892, 25732, 30226, 31246, 45031, 60452, 62492, 90062, 105791, 109361, 116713, 180124, 211582, 218722, 233426, 423164, 437444, 466852, 765527, 816991, 1531054, 1633982, 1984121, 3062108, 3267964, 3968242, 5718937, 7936484, 11437874, 13888847, 22875748, 27777694, 55555388, 97221929, 194443858, 388887716]

約数ペア:

[(1, 388887716), (2, 194443858), (4, 97221929), (7, 55555388), (14, 27777694), (17, 22875748), (28, 13888847), (34, 11437874), (49, 7936484), (68, 5718937), (98, 3968242), (119, 3267964), (127, 3062108), (196, 1984121), (238, 1633982), (254, 1531054), (476, 816991), (508, 765527), (833, 466852), (889, 437444), (919, 423164), (1666, 233426), (1778, 218722), (1838, 211582), (2159, 180124), (3332, 116713), (3556, 109361), (3676, 105791), (4318, 90062), (6223, 62492), (6433, 60452), (8636, 45031), (12446, 31246), (12866, 30226), (15113, 25732), (15623, 24892)]