66648065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{28181}}^1$

素因数の和:28240

約数の個数: 16

約数和(自身を含む): 89280576

約数和(自身を除く): 22632511

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 28181, 140905, 309991, 1211783, 1549955, 6058915, 13329613, 66648065]

約数ペア:

[(1, 66648065), (5, 13329613), (11, 6058915), (43, 1549955), (55, 1211783), (215, 309991), (473, 140905), (2365, 28181)]