28703390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{32251}}^1$

素因数の和:32347

約数の個数: 16

約数和(自身を含む): 52248240

約数和(自身を除く): 23544850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 32251, 64502, 161255, 322510, 2870339, 5740678, 14351695, 28703390]

約数ペア:

[(1, 28703390), (2, 14351695), (5, 5740678), (10, 2870339), (89, 322510), (178, 161255), (445, 64502), (890, 32251)]