199809969388

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{253565951}}^1$

素因数の和:253566152

約数の個数: 12

約数和(自身を含む): 351442409472

約数和(自身を除く): 151632440084

約数列:

[1, 2, 4, 197, 394, 788, 253565951, 507131902, 1014263804, 49952492347, 99904984694, 199809969388]

約数ペア:

[(1, 199809969388), (2, 99904984694), (4, 49952492347), (197, 1014263804), (394, 507131902), (788, 253565951)]