210978496

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:497

約数の個数: 56

約数和(自身を含む): 427792896

約数和(自身を除く): 216814400

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 127, 202, 254, 257, 404, 508, 514, 808, 1016, 1028, 1616, 2032, 2056, 3232, 4064, 4112, 6464, 8128, 8224, 12827, 16448, 25654, 25957, 32639, 51308, 51914, 65278, 102616, 103828, 130556, 205232, 207656, 261112, 410464, 415312, 522224, 820928, 830624, 1044448, 1661248, 2088896, 3296539, 6593078, 13186156, 26372312, 52744624, 105489248, 210978496]

約数ペア:

[(1, 210978496), (2, 105489248), (4, 52744624), (8, 26372312), (16, 13186156), (32, 6593078), (64, 3296539), (101, 2088896), (127, 1661248), (202, 1044448), (254, 830624), (257, 820928), (404, 522224), (508, 415312), (514, 410464), (808, 261112), (1016, 207656), (1028, 205232), (1616, 130556), (2032, 103828), (2056, 102616), (3232, 65278), (4064, 51914), (4112, 51308), (6464, 32639), (8128, 25957), (8224, 25654), (12827, 16448)]