643726486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{9013}}^1$

素因数の和:9136

約数の個数: 32

約数和(自身を含む): 1081247328

約数和(自身を除く): 437520842

約数列:

[1, 2, 13, 26, 41, 67, 82, 134, 533, 871, 1066, 1742, 2747, 5494, 9013, 18026, 35711, 71422, 117169, 234338, 369533, 603871, 739066, 1207742, 4803929, 7850323, 9607858, 15700646, 24758711, 49517422, 321863243, 643726486]

約数ペア:

[(1, 643726486), (2, 321863243), (13, 49517422), (26, 24758711), (41, 15700646), (67, 9607858), (82, 7850323), (134, 4803929), (533, 1207742), (871, 739066), (1066, 603871), (1742, 369533), (2747, 234338), (5494, 117169), (9013, 71422), (18026, 35711)]