397145518

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{18553}}^1$

素因数の和:18712

約数の個数: 32

約数和(自身を含む): 748097280

約数和(自身を除く): 350951762

約数列:

[1, 2, 7, 11, 14, 22, 77, 139, 154, 278, 973, 1529, 1946, 3058, 10703, 18553, 21406, 37106, 129871, 204083, 259742, 408166, 1428581, 2578867, 2857162, 5157734, 18052069, 28367537, 36104138, 56735074, 198572759, 397145518]

約数ペア:

[(1, 397145518), (2, 198572759), (7, 56735074), (11, 36104138), (14, 28367537), (22, 18052069), (77, 5157734), (139, 2857162), (154, 2578867), (278, 1428581), (973, 408166), (1529, 259742), (1946, 204083), (3058, 129871), (10703, 37106), (18553, 21406)]