642118210

素因数分解:

$2^1\times 5^1\times {\mathrm{13397}}^1\times {\mathrm{4793}}^1$

素因数の和:18197

約数の個数: 16

約数和(自身を含む): 1156140216

約数和(自身を除く): 514022006

約数列:

[1, 2, 5, 10, 4793, 9586, 13397, 23965, 26794, 47930, 66985, 133970, 64211821, 128423642, 321059105, 642118210]

約数ペア:

[(1, 642118210), (2, 321059105), (5, 128423642), (10, 64211821), (4793, 133970), (9586, 66985), (13397, 47930), (23965, 26794)]