12984784

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 26569728

約数和(自身を除く): 13584944

約数列:

[1, 2, 4, 8, 16, 31, 47, 62, 94, 124, 188, 248, 376, 496, 557, 752, 1114, 1457, 2228, 2914, 4456, 5828, 8912, 11656, 17267, 23312, 26179, 34534, 52358, 69068, 104716, 138136, 209432, 276272, 418864, 811549, 1623098, 3246196, 6492392, 12984784]

約数ペア:

[(1, 12984784), (2, 6492392), (4, 3246196), (8, 1623098), (16, 811549), (31, 418864), (47, 276272), (62, 209432), (94, 138136), (124, 104716), (188, 69068), (248, 52358), (376, 34534), (496, 26179), (557, 23312), (752, 17267), (1114, 11656), (1457, 8912), (2228, 5828), (2914, 4456)]