16812965

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 22175208

約数和(自身を除く): 5362243

約数列:

[1, 5, 13, 65, 101, 169, 197, 505, 845, 985, 1313, 2561, 6565, 12805, 17069, 19897, 33293, 85345, 99485, 166465, 258661, 1293305, 3362593, 16812965]

約数ペア:

[(1, 16812965), (5, 3362593), (13, 1293305), (65, 258661), (101, 166465), (169, 99485), (197, 85345), (505, 33293), (845, 19897), (985, 17069), (1313, 12805), (2561, 6565)]