83891825

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{313}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 106528896

約数和(自身を除く): 22637071

約数列:

[1, 5, 25, 71, 151, 313, 355, 755, 1565, 1775, 3775, 7825, 10721, 22223, 47263, 53605, 111115, 236315, 268025, 555575, 1181575, 3355673, 16778365, 83891825]

約数ペア:

[(1, 83891825), (5, 16778365), (25, 3355673), (71, 1181575), (151, 555575), (313, 268025), (355, 236315), (755, 111115), (1565, 53605), (1775, 47263), (3775, 22223), (7825, 10721)]