217902190

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1980929}}^1$

素因数の和:1980947

約数の個数: 16

約数和(自身を含む): 427880880

約数和(自身を除く): 209978690

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1980929, 3961858, 9904645, 19809290, 21790219, 43580438, 108951095, 217902190]

約数ペア:

[(1, 217902190), (2, 108951095), (5, 43580438), (10, 21790219), (11, 19809290), (22, 9904645), (55, 3961858), (110, 1980929)]