64920836

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{2441}}^1$

素因数の和:2615

約数の個数: 24

約数和(自身を含む): 116581080

約数和(自身を除く): 51660244

約数列:

[1, 2, 4, 61, 109, 122, 218, 244, 436, 2441, 4882, 6649, 9764, 13298, 26596, 148901, 266069, 297802, 532138, 595604, 1064276, 16230209, 32460418, 64920836]

約数ペア:

[(1, 64920836), (2, 32460418), (4, 16230209), (61, 1064276), (109, 595604), (122, 532138), (218, 297802), (244, 266069), (436, 148901), (2441, 26596), (4882, 13298), (6649, 9764)]