87817825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:745

約数の個数: 24

約数和(自身を含む): 112371776

約数和(自身を除く): 24553951

約数列:

[1, 5, 25, 43, 151, 215, 541, 755, 1075, 2705, 3775, 6493, 13525, 23263, 32465, 81691, 116315, 162325, 408455, 581575, 2042275, 3512713, 17563565, 87817825]

約数ペア:

[(1, 87817825), (5, 17563565), (25, 3512713), (43, 2042275), (151, 581575), (215, 408455), (541, 162325), (755, 116315), (1075, 81691), (2705, 32465), (3775, 23263), (6493, 13525)]