207965836

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{65563}}^1$

素因数の和:65641

約数の個数: 24

約数和(自身を含む): 398366864

約数和(自身を除く): 190401028

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 65563, 131126, 262252, 852319, 1704638, 3409276, 3999343, 7998686, 15997372, 51991459, 103982918, 207965836]

約数ペア:

[(1, 207965836), (2, 103982918), (4, 51991459), (13, 15997372), (26, 7998686), (52, 3999343), (61, 3409276), (122, 1704638), (244, 852319), (793, 262252), (1586, 131126), (3172, 65563)]