391581898

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{653}}^1$

素因数の和:870

約数の個数: 32

約数和(自身を含む): 617041152

約数和(自身を除く): 225459254

約数列:

[1, 2, 41, 71, 82, 103, 142, 206, 653, 1306, 2911, 4223, 5822, 7313, 8446, 14626, 26773, 46363, 53546, 67259, 92726, 134518, 299833, 599666, 1900883, 2757619, 3801766, 4775389, 5515238, 9550778, 195790949, 391581898]

約数ペア:

[(1, 391581898), (2, 195790949), (41, 9550778), (71, 5515238), (82, 4775389), (103, 3801766), (142, 2757619), (206, 1900883), (653, 599666), (1306, 299833), (2911, 134518), (4223, 92726), (5822, 67259), (7313, 53546), (8446, 46363), (14626, 26773)]