255314398

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{2003}}^1$

素因数の和:2208

約数の個数: 32

約数和(自身を含む): 425938176

約数和(自身を除く): 170623778

約数列:

[1, 2, 17, 23, 34, 46, 163, 326, 391, 782, 2003, 2771, 3749, 4006, 5542, 7498, 34051, 46069, 63733, 68102, 92138, 127466, 326489, 652978, 783173, 1566346, 5550313, 7509247, 11100626, 15018494, 127657199, 255314398]

約数ペア:

[(1, 255314398), (2, 127657199), (17, 15018494), (23, 11100626), (34, 7509247), (46, 5550313), (163, 1566346), (326, 783173), (391, 652978), (782, 326489), (2003, 127466), (2771, 92138), (3749, 68102), (4006, 63733), (5542, 46069), (7498, 34051)]