12156785

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 15914880

約数和(自身を除く): 3758095

約数列:

[1, 5, 17, 47, 85, 179, 235, 289, 799, 895, 1445, 3043, 3995, 8413, 13583, 15215, 42065, 51731, 67915, 143021, 258655, 715105, 2431357, 12156785]

約数ペア:

[(1, 12156785), (5, 2431357), (17, 715105), (47, 258655), (85, 143021), (179, 67915), (235, 51731), (289, 42065), (799, 15215), (895, 13583), (1445, 8413), (3043, 3995)]