255698521

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 24

約数和(自身を含む): 291453120

約数和(自身を除く): 35754599

約数列:

[1, 13, 23, 157, 169, 299, 419, 2041, 3611, 3887, 5447, 9637, 26533, 46943, 65783, 70811, 125281, 610259, 855179, 1513009, 1628653, 11117327, 19669117, 255698521]

約数ペア:

[(1, 255698521), (13, 19669117), (23, 11117327), (157, 1628653), (169, 1513009), (299, 855179), (419, 610259), (2041, 125281), (3611, 70811), (3887, 65783), (5447, 46943), (9637, 26533)]