220123264

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{17729}}^1$

素因数の和:17840

約数の個数: 32

約数和(自身を含む): 443072700

約数和(自身を除く): 222949436

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 3104, 6208, 12416, 17729, 35458, 70916, 141832, 283664, 567328, 1134656, 1719713, 2269312, 3439426, 6878852, 13757704, 27515408, 55030816, 110061632, 220123264]

約数ペア:

[(1, 220123264), (2, 110061632), (4, 55030816), (8, 27515408), (16, 13757704), (32, 6878852), (64, 3439426), (97, 2269312), (128, 1719713), (194, 1134656), (388, 567328), (776, 283664), (1552, 141832), (3104, 70916), (6208, 35458), (12416, 17729)]