64873921

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{2281}}^1$

素因数の和:2544

約数の個数: 16

約数和(自身を含む): 78865920

約数和(自身を除く): 13991999

約数列:

[1, 7, 17, 119, 239, 1673, 2281, 4063, 15967, 28441, 38777, 271439, 545159, 3816113, 9267703, 64873921]

約数ペア:

[(1, 64873921), (7, 9267703), (17, 3816113), (119, 545159), (239, 271439), (1673, 38777), (2281, 28441), (4063, 15967)]