31931990

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{7621}}^1$

素因数の和:8047

約数の個数: 16

約数和(自身を含む): 57622320

約数和(自身を除く): 25690330

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 7621, 15242, 38105, 76210, 3193199, 6386398, 15965995, 31931990]

約数ペア:

[(1, 31931990), (2, 15965995), (5, 6386398), (10, 3193199), (419, 76210), (838, 38105), (2095, 15242), (4190, 7621)]