26987905

素因数分解:

$5^1\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1283}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 37102464

約数和(自身を除く): 10114559

約数列:

[1, 5, 7, 35, 601, 1283, 3005, 4207, 6415, 8981, 21035, 44905, 771083, 3855415, 5397581, 26987905]

約数ペア:

[(1, 26987905), (5, 5397581), (7, 3855415), (35, 771083), (601, 44905), (1283, 21035), (3005, 8981), (4207, 6415)]