189439615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 243855360

約数和(自身を除く): 54415745

約数列:

[1, 5, 23, 83, 89, 115, 223, 415, 445, 1115, 1909, 2047, 5129, 7387, 9545, 10235, 18509, 19847, 25645, 36935, 92545, 99235, 169901, 425707, 456481, 849505, 1647301, 2128535, 2282405, 8236505, 37887923, 189439615]

約数ペア:

[(1, 189439615), (5, 37887923), (23, 8236505), (83, 2282405), (89, 2128535), (115, 1647301), (223, 849505), (415, 456481), (445, 425707), (1115, 169901), (1909, 99235), (2047, 92545), (5129, 36935), (7387, 25645), (9545, 19847), (10235, 18509)]