864804025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{88471}}^1$

素因数の和:88521

約数の個数: 24

約数和(自身を含む): 1184817024

約数和(自身を除く): 320012999

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 88471, 442355, 1504007, 2034833, 2211775, 7520035, 10174165, 34592161, 37600175, 50870825, 172960805, 864804025]

約数ペア:

[(1, 864804025), (5, 172960805), (17, 50870825), (23, 37600175), (25, 34592161), (85, 10174165), (115, 7520035), (391, 2211775), (425, 2034833), (575, 1504007), (1955, 442355), (9775, 88471)]