81327316

素因数分解:

$2^2\times 7^1\times {\mathrm{1453}}^1\times {\mathrm{1999}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 162848000

約数和(自身を除く): 81520684

約数列:

[1, 2, 4, 7, 14, 28, 1453, 1999, 2906, 3998, 5812, 7996, 10171, 13993, 20342, 27986, 40684, 55972, 2904547, 5809094, 11618188, 20331829, 40663658, 81327316]

約数ペア:

[(1, 81327316), (2, 40663658), (4, 20331829), (7, 11618188), (14, 5809094), (28, 2904547), (1453, 55972), (1999, 40684), (2906, 27986), (3998, 20342), (5812, 13993), (7996, 10171)]