31018208

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{431}}^1$

素因数の和:627

約数の個数: 48

約数和(自身を含む): 66298176

約数和(自身を除く): 35279968

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 173, 208, 346, 416, 431, 692, 862, 1384, 1724, 2249, 2768, 3448, 4498, 5536, 5603, 6896, 8996, 11206, 13792, 17992, 22412, 35984, 44824, 71968, 74563, 89648, 149126, 179296, 298252, 596504, 969319, 1193008, 1938638, 2386016, 3877276, 7754552, 15509104, 31018208]

約数ペア:

[(1, 31018208), (2, 15509104), (4, 7754552), (8, 3877276), (13, 2386016), (16, 1938638), (26, 1193008), (32, 969319), (52, 596504), (104, 298252), (173, 179296), (208, 149126), (346, 89648), (416, 74563), (431, 71968), (692, 44824), (862, 35984), (1384, 22412), (1724, 17992), (2249, 13792), (2768, 11206), (3448, 8996), (4498, 6896), (5536, 5603)]