1278902358

素因数分解:

$2^1\times 3^4\times {\mathrm{1693}}^1\times {\mathrm{4663}}^1$

素因数の和:6370

約数の個数: 40

約数和(自身を含む): 2867996208

約数和(自身を除く): 1589093850

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 1693, 3386, 4663, 5079, 9326, 10158, 13989, 15237, 27978, 30474, 41967, 45711, 83934, 91422, 125901, 137133, 251802, 274266, 377703, 755406, 7894459, 15788918, 23683377, 47366754, 71050131, 142100262, 213150393, 426300786, 639451179, 1278902358]

約数ペア:

[(1, 1278902358), (2, 639451179), (3, 426300786), (6, 213150393), (9, 142100262), (18, 71050131), (27, 47366754), (54, 23683377), (81, 15788918), (162, 7894459), (1693, 755406), (3386, 377703), (4663, 274266), (5079, 251802), (9326, 137133), (10158, 125901), (13989, 91422), (15237, 83934), (27978, 45711), (30474, 41967)]