16481728

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 56

約数和(自身を含む): 34399728

約数和(自身を除く): 17918000

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 64, 86, 106, 113, 172, 212, 226, 344, 424, 452, 688, 848, 904, 1376, 1696, 1808, 2279, 2752, 3392, 3616, 4558, 4859, 5989, 7232, 9116, 9718, 11978, 18232, 19436, 23956, 36464, 38872, 47912, 72928, 77744, 95824, 145856, 155488, 191648, 257527, 310976, 383296, 515054, 1030108, 2060216, 4120432, 8240864, 16481728]

約数ペア:

[(1, 16481728), (2, 8240864), (4, 4120432), (8, 2060216), (16, 1030108), (32, 515054), (43, 383296), (53, 310976), (64, 257527), (86, 191648), (106, 155488), (113, 145856), (172, 95824), (212, 77744), (226, 72928), (344, 47912), (424, 38872), (452, 36464), (688, 23956), (848, 19436), (904, 18232), (1376, 11978), (1696, 9718), (1808, 9116), (2279, 7232), (2752, 5989), (3392, 4859), (3616, 4558)]