166570144

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{400409}}^1$

素因数の和:400432

約数の個数: 24

約数和(自身を含む): 353161620

約数和(自身を除く): 186591476

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 400409, 800818, 1601636, 3203272, 5205317, 6406544, 10410634, 12813088, 20821268, 41642536, 83285072, 166570144]

約数ペア:

[(1, 166570144), (2, 83285072), (4, 41642536), (8, 20821268), (13, 12813088), (16, 10410634), (26, 6406544), (32, 5205317), (52, 3203272), (104, 1601636), (208, 800818), (416, 400409)]