661362842

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{344819}}^1$

素因数の和:344965

約数の個数: 16

約数和(自身を含む): 1142043840

約数和(自身を除く): 480680998

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 344819, 689638, 2413733, 4827466, 47240203, 94480406, 330681421, 661362842]

約数ペア:

[(1, 661362842), (2, 330681421), (7, 94480406), (14, 47240203), (137, 4827466), (274, 2413733), (959, 689638), (1918, 344819)]