478478

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 967680

約数和(自身を除く): 489202

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 239, 286, 478, 1001, 1673, 2002, 2629, 3107, 3346, 5258, 6214, 18403, 21749, 34177, 36806, 43498, 68354, 239239, 478478]

約数ペア:

[(1, 478478), (2, 239239), (7, 68354), (11, 43498), (13, 36806), (14, 34177), (22, 21749), (26, 18403), (77, 6214), (91, 5258), (143, 3346), (154, 3107), (182, 2629), (239, 2002), (286, 1673), (478, 1001)]