209920624

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{1259}}^1$

素因数の和:1897

約数の個数: 40

約数和(自身を含む): 431691120

約数和(自身を除く): 221770496

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 613, 1226, 1259, 2452, 2518, 4904, 5036, 9808, 10072, 10421, 20144, 20842, 21403, 41684, 42806, 83368, 85612, 166736, 171224, 342448, 771767, 1543534, 3087068, 6174136, 12348272, 13120039, 26240078, 52480156, 104960312, 209920624]

約数ペア:

[(1, 209920624), (2, 104960312), (4, 52480156), (8, 26240078), (16, 13120039), (17, 12348272), (34, 6174136), (68, 3087068), (136, 1543534), (272, 771767), (613, 342448), (1226, 171224), (1259, 166736), (2452, 85612), (2518, 83368), (4904, 42806), (5036, 41684), (9808, 21403), (10072, 20842), (10421, 20144)]