644338348

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{449}}^1$

素因数の和:718

約数の個数: 48

約数和(自身を含む): 1190246400

約数和(自身を除く): 545908052

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 163, 284, 326, 449, 652, 898, 1796, 2201, 4402, 5053, 8804, 10106, 11573, 13919, 20212, 23146, 27838, 31879, 46292, 55676, 63758, 73187, 127516, 146374, 292748, 358763, 717526, 988249, 1435052, 1976498, 2268797, 3952996, 4537594, 5196277, 9075188, 10392554, 20785108, 161084587, 322169174, 644338348]

約数ペア:

[(1, 644338348), (2, 322169174), (4, 161084587), (31, 20785108), (62, 10392554), (71, 9075188), (124, 5196277), (142, 4537594), (163, 3952996), (284, 2268797), (326, 1976498), (449, 1435052), (652, 988249), (898, 717526), (1796, 358763), (2201, 292748), (4402, 146374), (5053, 127516), (8804, 73187), (10106, 63758), (11573, 55676), (13919, 46292), (20212, 31879), (23146, 27838)]