90212495

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{3203}}^1$

素因数の和:3382

約数の個数: 16

約数和(自身を含む): 111652992

約数和(自身を除く): 21440497

約数列:

[1, 5, 43, 131, 215, 655, 3203, 5633, 16015, 28165, 137729, 419593, 688645, 2097965, 18042499, 90212495]

約数ペア:

[(1, 90212495), (5, 18042499), (43, 2097965), (131, 688645), (215, 419593), (655, 137729), (3203, 28165), (5633, 16015)]