31907935

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 42197760

約数和(自身を除く): 10289825

約数列:

[1, 5, 19, 43, 73, 95, 107, 215, 365, 535, 817, 1387, 2033, 3139, 4085, 4601, 6935, 7811, 10165, 15695, 23005, 39055, 59641, 87419, 148409, 298205, 335873, 437095, 742045, 1679365, 6381587, 31907935]

約数ペア:

[(1, 31907935), (5, 6381587), (19, 1679365), (43, 742045), (73, 437095), (95, 335873), (107, 298205), (215, 148409), (365, 87419), (535, 59641), (817, 39055), (1387, 23005), (2033, 15695), (3139, 10165), (4085, 7811), (4601, 6935)]