201569425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:262

約数の個数: 36

約数和(自身を含む): 271338660

約数和(自身を除く): 69769235

約数列:

[1, 5, 17, 25, 73, 85, 89, 365, 425, 445, 1241, 1513, 1825, 2225, 5329, 6205, 6497, 7565, 26645, 31025, 32485, 37825, 90593, 110449, 133225, 162425, 452965, 474281, 552245, 2264825, 2371405, 2761225, 8062777, 11857025, 40313885, 201569425]

約数ペア:

[(1, 201569425), (5, 40313885), (17, 11857025), (25, 8062777), (73, 2761225), (85, 2371405), (89, 2264825), (365, 552245), (425, 474281), (445, 452965), (1241, 162425), (1513, 133225), (1825, 110449), (2225, 90593), (5329, 37825), (6205, 32485), (6497, 31025), (7565, 26645)]