857395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:171

約数の個数: 32

約数和(自身を含む): 1368576

約数和(自身を除く): 511181

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 131, 187, 385, 595, 655, 917, 935, 1309, 1441, 2227, 4585, 6545, 7205, 10087, 11135, 15589, 24497, 50435, 77945, 122485, 171479, 857395]

約数ペア:

[(1, 857395), (5, 171479), (7, 122485), (11, 77945), (17, 50435), (35, 24497), (55, 15589), (77, 11135), (85, 10087), (119, 7205), (131, 6545), (187, 4585), (385, 2227), (595, 1441), (655, 1309), (917, 935)]