221091712

素因数分解:

$2^7\times {\mathrm{97}}^1\times {\mathrm{17807}}^1$

素因数の和:17918

約数の個数: 32

約数和(自身を含む): 445021920

約数和(自身を除く): 223930208

約数列:

[1, 2, 4, 8, 16, 32, 64, 97, 128, 194, 388, 776, 1552, 3104, 6208, 12416, 17807, 35614, 71228, 142456, 284912, 569824, 1139648, 1727279, 2279296, 3454558, 6909116, 13818232, 27636464, 55272928, 110545856, 221091712]

約数ペア:

[(1, 221091712), (2, 110545856), (4, 55272928), (8, 27636464), (16, 13818232), (32, 6909116), (64, 3454558), (97, 2279296), (128, 1727279), (194, 1139648), (388, 569824), (776, 284912), (1552, 142456), (3104, 71228), (6208, 35614), (12416, 17807)]