161668286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2664

約数の個数: 32

約数和(自身を含む): 273100800

約数和(自身を除く): 111432514

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 806, 1027, 2054, 2449, 2539, 4898, 5078, 31837, 33007, 63674, 66014, 78709, 157418, 200581, 401162, 1023217, 2046434, 2607553, 5215106, 6218011, 12436022, 80834143, 161668286]

約数ペア:

[(1, 161668286), (2, 80834143), (13, 12436022), (26, 6218011), (31, 5215106), (62, 2607553), (79, 2046434), (158, 1023217), (403, 401162), (806, 200581), (1027, 157418), (2054, 78709), (2449, 66014), (2539, 63674), (4898, 33007), (5078, 31837)]