28167385

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:333

約数の個数: 24

約数和(自身を含む): 36449496

約数和(自身を除く): 8282111

約数列:

[1, 5, 17, 85, 101, 193, 289, 505, 965, 1445, 1717, 3281, 8585, 16405, 19493, 29189, 55777, 97465, 145945, 278885, 331381, 1656905, 5633477, 28167385]

約数ペア:

[(1, 28167385), (5, 5633477), (17, 1656905), (85, 331381), (101, 278885), (193, 145945), (289, 97465), (505, 55777), (965, 29189), (1445, 19493), (1717, 16405), (3281, 8585)]