221027365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{479}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 296755200

約数和(自身を除く): 75727835

約数列:

[1, 5, 13, 31, 65, 155, 229, 403, 479, 1145, 2015, 2395, 2977, 6227, 7099, 14849, 14885, 31135, 35495, 74245, 92287, 109691, 193037, 461435, 548455, 965185, 1425983, 3400421, 7129915, 17002105, 44205473, 221027365]

約数ペア:

[(1, 221027365), (5, 44205473), (13, 17002105), (31, 7129915), (65, 3400421), (155, 1425983), (229, 965185), (403, 548455), (479, 461435), (1145, 193037), (2015, 109691), (2395, 92287), (2977, 74245), (6227, 35495), (7099, 31135), (14849, 14885)]