13970005

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 20715264

約数和(自身を除く): 6745259

約数列:

[1, 5, 7, 17, 35, 53, 85, 119, 265, 371, 443, 595, 901, 1855, 2215, 3101, 4505, 6307, 7531, 15505, 23479, 31535, 37655, 52717, 117395, 164353, 263585, 399143, 821765, 1995715, 2794001, 13970005]

約数ペア:

[(1, 13970005), (5, 2794001), (7, 1995715), (17, 821765), (35, 399143), (53, 263585), (85, 164353), (119, 117395), (265, 52717), (371, 37655), (443, 31535), (595, 23479), (901, 15505), (1855, 7531), (2215, 6307), (3101, 4505)]