389628746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 698090400

約数和(自身を除く): 308461654

約数列:

[1, 2, 13, 17, 26, 29, 34, 58, 113, 221, 226, 269, 377, 442, 493, 538, 754, 986, 1469, 1921, 2938, 3277, 3497, 3842, 4573, 6409, 6554, 6994, 7801, 9146, 12818, 15602, 24973, 30397, 42601, 49946, 55709, 59449, 60794, 85202, 101413, 111418, 118898, 132617, 202826, 265234, 395161, 516749, 724217, 790322, 881513, 1033498, 1448434, 1724021, 1763026, 3448042, 6717737, 11459669, 13435474, 14985721, 22919338, 29971442, 194814373, 389628746]

約数ペア:

[(1, 389628746), (2, 194814373), (13, 29971442), (17, 22919338), (26, 14985721), (29, 13435474), (34, 11459669), (58, 6717737), (113, 3448042), (221, 1763026), (226, 1724021), (269, 1448434), (377, 1033498), (442, 881513), (493, 790322), (538, 724217), (754, 516749), (986, 395161), (1469, 265234), (1921, 202826), (2938, 132617), (3277, 118898), (3497, 111418), (3842, 101413), (4573, 85202), (6409, 60794), (6554, 59449), (6994, 55709), (7801, 49946), (9146, 42601), (12818, 30397), (15602, 24973)]