165427825

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{643}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 211298976

約数和(自身を除く): 45871151

約数列:

[1, 5, 25, 41, 205, 251, 643, 1025, 1255, 3215, 6275, 10291, 16075, 26363, 51455, 131815, 161393, 257275, 659075, 806965, 4034825, 6617113, 33085565, 165427825]

約数ペア:

[(1, 165427825), (5, 33085565), (25, 6617113), (41, 4034825), (205, 806965), (251, 659075), (643, 257275), (1025, 161393), (1255, 131815), (3215, 51455), (6275, 26363), (10291, 16075)]