247857288

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{30109}}^1$

素因数の和:30139

約数の個数: 64

約数和(自身を含む): 722640000

約数和(自身を除く): 474782712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 343, 392, 588, 686, 1029, 1176, 1372, 2058, 2744, 4116, 8232, 30109, 60218, 90327, 120436, 180654, 210763, 240872, 361308, 421526, 632289, 722616, 843052, 1264578, 1475341, 1686104, 2529156, 2950682, 4426023, 5058312, 5901364, 8852046, 10327387, 11802728, 17704092, 20654774, 30982161, 35408184, 41309548, 61964322, 82619096, 123928644, 247857288]

約数ペア:

[(1, 247857288), (2, 123928644), (3, 82619096), (4, 61964322), (6, 41309548), (7, 35408184), (8, 30982161), (12, 20654774), (14, 17704092), (21, 11802728), (24, 10327387), (28, 8852046), (42, 5901364), (49, 5058312), (56, 4426023), (84, 2950682), (98, 2529156), (147, 1686104), (168, 1475341), (196, 1264578), (294, 843052), (343, 722616), (392, 632289), (588, 421526), (686, 361308), (1029, 240872), (1176, 210763), (1372, 180654), (2058, 120436), (2744, 90327), (4116, 60218), (8232, 30109)]