638049698

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{15601}}^1$

素因数の和:15651

約数の個数: 36

約数和(自身を含む): 1139211234

約数和(自身を除く): 501161536

約数列:

[1, 2, 11, 13, 22, 26, 121, 143, 169, 242, 286, 338, 1573, 1859, 3146, 3718, 15601, 20449, 31202, 40898, 171611, 202813, 343222, 405626, 1887721, 2230943, 2636569, 3775442, 4461886, 5273138, 24540373, 29002259, 49080746, 58004518, 319024849, 638049698]

約数ペア:

[(1, 638049698), (2, 319024849), (11, 58004518), (13, 49080746), (22, 29002259), (26, 24540373), (121, 5273138), (143, 4461886), (169, 3775442), (242, 2636569), (286, 2230943), (338, 1887721), (1573, 405626), (1859, 343222), (3146, 202813), (3718, 171611), (15601, 40898), (20449, 31202)]