431490005

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{12983}}^1$

素因数の和:13045

約数の個数: 24

約数和(自身を含む): 573996672

約数和(自身を除く): 142506667

約数列:

[1, 5, 17, 23, 85, 115, 289, 391, 1445, 1955, 6647, 12983, 33235, 64915, 220711, 298609, 1103555, 1493045, 3752087, 5076353, 18760435, 25381765, 86298001, 431490005]

約数ペア:

[(1, 431490005), (5, 86298001), (17, 25381765), (23, 18760435), (85, 5076353), (115, 3752087), (289, 1493045), (391, 1103555), (1445, 298609), (1955, 220711), (6647, 64915), (12983, 33235)]