198434159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:671

約数の個数: 32

約数和(自身を含む): 254983680

約数和(自身を除く): 56549521

約数列:

[1, 7, 11, 61, 77, 83, 427, 509, 581, 671, 913, 3563, 4697, 5063, 5599, 6391, 31049, 35441, 39193, 42247, 55693, 217343, 295729, 341539, 389851, 464717, 2390773, 2577067, 3253019, 18039469, 28347737, 198434159]

約数ペア:

[(1, 198434159), (7, 28347737), (11, 18039469), (61, 3253019), (77, 2577067), (83, 2390773), (427, 464717), (509, 389851), (581, 341539), (671, 295729), (913, 217343), (3563, 55693), (4697, 42247), (5063, 39193), (5599, 35441), (6391, 31049)]