1621868

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:122

約数の個数: 36

約数和(自身を含む): 3197712

約数和(自身を除く): 1575844

約数列:

[1, 2, 4, 17, 23, 34, 46, 61, 68, 92, 122, 244, 289, 391, 578, 782, 1037, 1156, 1403, 1564, 2074, 2806, 4148, 5612, 6647, 13294, 17629, 23851, 26588, 35258, 47702, 70516, 95404, 405467, 810934, 1621868]

約数ペア:

[(1, 1621868), (2, 810934), (4, 405467), (17, 95404), (23, 70516), (34, 47702), (46, 35258), (61, 26588), (68, 23851), (92, 17629), (122, 13294), (244, 6647), (289, 5612), (391, 4148), (578, 2806), (782, 2074), (1037, 1564), (1156, 1403)]