262338128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^2\times {\mathrm{449}}^1$

素因数の和:576

約数の個数: 60

約数和(自身を含む): 559143900

約数和(自身を除く): 296805772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 449, 689, 848, 898, 1378, 1796, 2756, 2809, 3592, 5512, 5618, 5837, 7184, 11024, 11236, 11674, 22472, 23348, 23797, 36517, 44944, 46696, 47594, 73034, 93392, 95188, 146068, 190376, 292136, 309361, 380752, 584272, 618722, 1237444, 1261241, 2474888, 2522482, 4949776, 5044964, 10089928, 16396133, 20179856, 32792266, 65584532, 131169064, 262338128]

約数ペア:

[(1, 262338128), (2, 131169064), (4, 65584532), (8, 32792266), (13, 20179856), (16, 16396133), (26, 10089928), (52, 5044964), (53, 4949776), (104, 2522482), (106, 2474888), (208, 1261241), (212, 1237444), (424, 618722), (449, 584272), (689, 380752), (848, 309361), (898, 292136), (1378, 190376), (1796, 146068), (2756, 95188), (2809, 93392), (3592, 73034), (5512, 47594), (5618, 46696), (5837, 44944), (7184, 36517), (11024, 23797), (11236, 23348), (11674, 22472)]