254236445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 331568640

約数和(自身を除く): 77332195

約数列:

[1, 5, 17, 71, 85, 103, 355, 409, 515, 1207, 1751, 2045, 6035, 6953, 7313, 8755, 29039, 34765, 36565, 42127, 124321, 145195, 210635, 493663, 621605, 716159, 2468315, 2991017, 3580795, 14955085, 50847289, 254236445]

約数ペア:

[(1, 254236445), (5, 50847289), (17, 14955085), (71, 3580795), (85, 2991017), (103, 2468315), (355, 716159), (409, 621605), (515, 493663), (1207, 210635), (1751, 145195), (2045, 124321), (6035, 42127), (6953, 36565), (7313, 34765), (8755, 29039)]