208772408

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 433006560

約数和(自身を除く): 224234152

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 107, 146, 214, 257, 292, 428, 514, 584, 856, 949, 1028, 1391, 1898, 2056, 2782, 3341, 3796, 5564, 6682, 7592, 7811, 11128, 13364, 15622, 18761, 26728, 27499, 31244, 37522, 54998, 62488, 75044, 101543, 109996, 150088, 203086, 219992, 243893, 357487, 406172, 487786, 714974, 812344, 975572, 1429948, 1951144, 2007427, 2859896, 4014854, 8029708, 16059416, 26096551, 52193102, 104386204, 208772408]

約数ペア:

[(1, 208772408), (2, 104386204), (4, 52193102), (8, 26096551), (13, 16059416), (26, 8029708), (52, 4014854), (73, 2859896), (104, 2007427), (107, 1951144), (146, 1429948), (214, 975572), (257, 812344), (292, 714974), (428, 487786), (514, 406172), (584, 357487), (856, 243893), (949, 219992), (1028, 203086), (1391, 150088), (1898, 109996), (2056, 101543), (2782, 75044), (3341, 62488), (3796, 54998), (5564, 37522), (6682, 31244), (7592, 27499), (7811, 26728), (11128, 18761), (13364, 15622)]