211399565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{2477}}^1$

素因数の和:2609

約数の個数: 24

約数和(自身を含む): 277526088

約数和(自身を除く): 66126523

約数列:

[1, 5, 13, 65, 101, 169, 505, 845, 1313, 2477, 6565, 12385, 17069, 32201, 85345, 161005, 250177, 418613, 1250885, 2093065, 3252301, 16261505, 42279913, 211399565]

約数ペア:

[(1, 211399565), (5, 42279913), (13, 16261505), (65, 3252301), (101, 2093065), (169, 1250885), (505, 418613), (845, 250177), (1313, 161005), (2477, 85345), (6565, 32201), (12385, 17069)]