287899346

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{2221}}^1$

素因数の和:2474

約数の個数: 32

約数和(自身を含む): 506829312

約数和(自身を除く): 218929966

約数列:

[1, 2, 7, 14, 47, 94, 197, 329, 394, 658, 1379, 2221, 2758, 4442, 9259, 15547, 18518, 31094, 64813, 104387, 129626, 208774, 437537, 730709, 875074, 1461418, 3062759, 6125518, 20564239, 41128478, 143949673, 287899346]

約数ペア:

[(1, 287899346), (2, 143949673), (7, 41128478), (14, 20564239), (47, 6125518), (94, 3062759), (197, 1461418), (329, 875074), (394, 730709), (658, 437537), (1379, 208774), (2221, 129626), (2758, 104387), (4442, 64813), (9259, 31094), (15547, 18518)]