87984775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9001}}^1$

素因数の和:9051

約数の個数: 24

約数和(自身を含む): 120554784

約数和(自身を除く): 32570009

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9001, 9775, 45005, 153017, 207023, 225025, 765085, 1035115, 3519391, 3825425, 5175575, 17596955, 87984775]

約数ペア:

[(1, 87984775), (5, 17596955), (17, 5175575), (23, 3825425), (25, 3519391), (85, 1035115), (115, 765085), (391, 225025), (425, 207023), (575, 153017), (1955, 45005), (9001, 9775)]