521557504

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{617}}^1$

素因数の和:775

約数の個数: 80

約数和(自身を含む): 1132927488

約数和(自身を除く): 611369984

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 127, 128, 208, 254, 256, 416, 508, 512, 617, 832, 1016, 1234, 1651, 1664, 2032, 2468, 3302, 3328, 4064, 4936, 6604, 6656, 8021, 8128, 9872, 13208, 16042, 16256, 19744, 26416, 32084, 32512, 39488, 52832, 64168, 65024, 78359, 78976, 105664, 128336, 156718, 157952, 211328, 256672, 313436, 315904, 422656, 513344, 626872, 845312, 1018667, 1026688, 1253744, 2037334, 2053376, 2507488, 4074668, 4106752, 5014976, 8149336, 10029952, 16298672, 20059904, 32597344, 40119808, 65194688, 130389376, 260778752, 521557504]

約数ペア:

[(1, 521557504), (2, 260778752), (4, 130389376), (8, 65194688), (13, 40119808), (16, 32597344), (26, 20059904), (32, 16298672), (52, 10029952), (64, 8149336), (104, 5014976), (127, 4106752), (128, 4074668), (208, 2507488), (254, 2053376), (256, 2037334), (416, 1253744), (508, 1026688), (512, 1018667), (617, 845312), (832, 626872), (1016, 513344), (1234, 422656), (1651, 315904), (1664, 313436), (2032, 256672), (2468, 211328), (3302, 157952), (3328, 156718), (4064, 128336), (4936, 105664), (6604, 78976), (6656, 78359), (8021, 65024), (8128, 64168), (9872, 52832), (13208, 39488), (16042, 32512), (16256, 32084), (19744, 26416)]