83568775

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 36

約数和(自身を含む): 111086640

約数和(自身を除く): 27517865

約数列:

[1, 5, 23, 25, 71, 89, 115, 355, 445, 529, 575, 1633, 1775, 2047, 2225, 2645, 6319, 8165, 10235, 13225, 31595, 37559, 40825, 47081, 51175, 145337, 157975, 187795, 235405, 726685, 938975, 1177025, 3342751, 3633425, 16713755, 83568775]

約数ペア:

[(1, 83568775), (5, 16713755), (23, 3633425), (25, 3342751), (71, 1177025), (89, 938975), (115, 726685), (355, 235405), (445, 187795), (529, 157975), (575, 145337), (1633, 51175), (1775, 47081), (2047, 40825), (2225, 37559), (2645, 31595), (6319, 13225), (8165, 10235)]