168561616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{647}}^1\times {\mathrm{857}}^1$

素因数の和:1531

約数の個数: 40

約数和(自身を含む): 344710080

約数和(自身を除く): 176148464

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 647, 857, 1294, 1714, 2588, 3428, 5176, 6856, 10352, 12293, 13712, 16283, 24586, 32566, 49172, 65132, 98344, 130264, 196688, 260528, 554479, 1108958, 2217916, 4435832, 8871664, 10535101, 21070202, 42140404, 84280808, 168561616]

約数ペア:

[(1, 168561616), (2, 84280808), (4, 42140404), (8, 21070202), (16, 10535101), (19, 8871664), (38, 4435832), (76, 2217916), (152, 1108958), (304, 554479), (647, 260528), (857, 196688), (1294, 130264), (1714, 98344), (2588, 65132), (3428, 49172), (5176, 32566), (6856, 24586), (10352, 16283), (12293, 13712)]