157617784816

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{1249}}^1\times {\mathrm{19867}}^1$

素因数の和:21521

約数の個数: 40

約数和(自身を含む): 306414230000

約数和(自身を除く): 148796445184

約数列:

[1, 2, 4, 8, 16, 397, 794, 1249, 1588, 2498, 3176, 4996, 6352, 9992, 19867, 19984, 39734, 79468, 158936, 317872, 495853, 991706, 1983412, 3966824, 7887199, 7933648, 15774398, 24813883, 31548796, 49627766, 63097592, 99255532, 126195184, 198511064, 397022128, 9851111551, 19702223102, 39404446204, 78808892408, 157617784816]

約数ペア:

[(1, 157617784816), (2, 78808892408), (4, 39404446204), (8, 19702223102), (16, 9851111551), (397, 397022128), (794, 198511064), (1249, 126195184), (1588, 99255532), (2498, 63097592), (3176, 49627766), (4996, 31548796), (6352, 24813883), (9992, 15774398), (19867, 7933648), (19984, 7887199), (39734, 3966824), (79468, 1983412), (158936, 991706), (317872, 495853)]