38729815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{5521}}^1$

素因数の和:5610

約数の個数: 16

約数和(自身を含む): 49300416

約数和(自身を除く): 10570601

約数列:

[1, 5, 23, 61, 115, 305, 1403, 5521, 7015, 27605, 126983, 336781, 634915, 1683905, 7745963, 38729815]

約数ペア:

[(1, 38729815), (5, 7745963), (23, 1683905), (61, 634915), (115, 336781), (305, 126983), (1403, 27605), (5521, 7015)]