219047975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{22409}}^1$

素因数の和:22459

約数の個数: 24

約数和(自身を含む): 300114720

約数和(自身を除く): 81066745

約数列:

[1, 5, 17, 23, 25, 85, 115, 391, 425, 575, 1955, 9775, 22409, 112045, 380953, 515407, 560225, 1904765, 2577035, 8761919, 9523825, 12885175, 43809595, 219047975]

約数ペア:

[(1, 219047975), (5, 43809595), (17, 12885175), (23, 9523825), (25, 8761919), (85, 2577035), (115, 1904765), (391, 560225), (425, 515407), (575, 380953), (1955, 112045), (9775, 22409)]