221957170

素因数分解:

$2^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{34519}}^1$

素因数の和:35169

約数の個数: 16

約数和(自身を含む): 400155840

約数和(自身を除く): 178198670

約数列:

[1, 2, 5, 10, 643, 1286, 3215, 6430, 34519, 69038, 172595, 345190, 22195717, 44391434, 110978585, 221957170]

約数ペア:

[(1, 221957170), (2, 110978585), (5, 44391434), (10, 22195717), (643, 345190), (1286, 172595), (3215, 69038), (6430, 34519)]