2011878701

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 2521497600

約数和(自身を除く): 509618899

約数列:

[1, 7, 23, 49, 59, 79, 161, 383, 413, 553, 1127, 1357, 1817, 2681, 2891, 3871, 4661, 8809, 9499, 12719, 18767, 22597, 30257, 32627, 61663, 66493, 89033, 107203, 158179, 211799, 228389, 431641, 519731, 695911, 750421, 1107253, 1482593, 1785163, 3638117, 4871377, 5252947, 12496141, 25466819, 34099639, 41058749, 87472987, 287411243, 2011878701]

約数ペア:

[(1, 2011878701), (7, 287411243), (23, 87472987), (49, 41058749), (59, 34099639), (79, 25466819), (161, 12496141), (383, 5252947), (413, 4871377), (553, 3638117), (1127, 1785163), (1357, 1482593), (1817, 1107253), (2681, 750421), (2891, 695911), (3871, 519731), (4661, 431641), (8809, 228389), (9499, 211799), (12719, 158179), (18767, 107203), (22597, 89033), (30257, 66493), (32627, 61663)]