159979925

素因数分解:

$5^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{1601}}^1$

素因数の和:2189

約数の個数: 24

約数和(自身を含む): 227253312

約数和(自身を除く): 67273387

約数列:

[1, 5, 7, 25, 35, 175, 571, 1601, 2855, 3997, 8005, 11207, 14275, 19985, 40025, 56035, 99925, 280175, 914171, 4570855, 6399197, 22854275, 31995985, 159979925]

約数ペア:

[(1, 159979925), (5, 31995985), (7, 22854275), (25, 6399197), (35, 4570855), (175, 914171), (571, 280175), (1601, 99925), (2855, 56035), (3997, 40025), (8005, 19985), (11207, 14275)]