211290416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{617}}^1\times {\mathrm{1259}}^1$

素因数の和:1901

約数の個数: 40

約数和(自身を含む): 434503440

約数和(自身を除く): 223213024

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 617, 1234, 1259, 2468, 2518, 4936, 5036, 9872, 10072, 10489, 20144, 20978, 21403, 41956, 42806, 83912, 85612, 167824, 171224, 342448, 776803, 1553606, 3107212, 6214424, 12428848, 13205651, 26411302, 52822604, 105645208, 211290416]

約数ペア:

[(1, 211290416), (2, 105645208), (4, 52822604), (8, 26411302), (16, 13205651), (17, 12428848), (34, 6214424), (68, 3107212), (136, 1553606), (272, 776803), (617, 342448), (1234, 171224), (1259, 167824), (2468, 85612), (2518, 83912), (4936, 42806), (5036, 41956), (9872, 21403), (10072, 20978), (10489, 20144)]