9807890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42643}}^1$

素因数の和:42673

約数の個数: 16

約数和(自身を含む): 18422208

約数和(自身を除く): 8614318

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 42643, 85286, 213215, 426430, 980789, 1961578, 4903945, 9807890]

約数ペア:

[(1, 9807890), (2, 4903945), (5, 1961578), (10, 980789), (23, 426430), (46, 213215), (115, 85286), (230, 42643)]