261601508

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12852

約数の個数: 48

約数和(自身を含む): 566907264

約数和(自身を除く): 305305756

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1204, 1462, 2924, 5117, 10234, 12781, 20468, 25562, 51124, 89467, 178934, 217277, 357868, 434554, 549583, 869108, 1099166, 1520939, 2198332, 3041878, 3847081, 6083756, 7694162, 9342911, 15388324, 18685822, 37371644, 65400377, 130800754, 261601508]

約数ペア:

[(1, 261601508), (2, 130800754), (4, 65400377), (7, 37371644), (14, 18685822), (17, 15388324), (28, 9342911), (34, 7694162), (43, 6083756), (68, 3847081), (86, 3041878), (119, 2198332), (172, 1520939), (238, 1099166), (301, 869108), (476, 549583), (602, 434554), (731, 357868), (1204, 217277), (1462, 178934), (2924, 89467), (5117, 51124), (10234, 25562), (12781, 20468)]