221301145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:849

約数の個数: 32

約数和(自身を含む): 295239168

約数和(自身を除く): 73938023

約数列:

[1, 5, 13, 47, 65, 107, 235, 535, 611, 677, 1391, 3055, 3385, 5029, 6955, 8801, 25145, 31819, 44005, 65377, 72439, 159095, 326885, 362195, 413647, 941707, 2068235, 3404633, 4708535, 17023165, 44260229, 221301145]

約数ペア:

[(1, 221301145), (5, 44260229), (13, 17023165), (47, 4708535), (65, 3404633), (107, 2068235), (235, 941707), (535, 413647), (611, 362195), (677, 326885), (1391, 159095), (3055, 72439), (3385, 65377), (5029, 44005), (6955, 31819), (8801, 25145)]