397291535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 509483520

約数和(自身を除く): 112191985

約数列:

[1, 5, 23, 83, 107, 115, 389, 415, 535, 1909, 1945, 2461, 8881, 8947, 9545, 12305, 32287, 41623, 44405, 44735, 161435, 204263, 208115, 742601, 957329, 1021315, 3454709, 3713005, 4786645, 17273545, 79458307, 397291535]

約数ペア:

[(1, 397291535), (5, 79458307), (23, 17273545), (83, 4786645), (107, 3713005), (115, 3454709), (389, 1021315), (415, 957329), (535, 742601), (1909, 208115), (1945, 204263), (2461, 161435), (8881, 44735), (8947, 44405), (9545, 41623), (12305, 32287)]