201678905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{81817}}^1$

素因数の和:81868

約数の個数: 16

約数和(自身を含む): 265090320

約数和(自身を除く): 63411415

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 81817, 409085, 1390889, 2372693, 6954445, 11863465, 40335781, 201678905]

約数ペア:

[(1, 201678905), (5, 40335781), (17, 11863465), (29, 6954445), (85, 2372693), (145, 1390889), (493, 409085), (2465, 81817)]