1285452016

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{200351}}^1$

素因数の和:200760

約数の個数: 20

約数和(自身を含む): 2496786624

約数和(自身を除く): 1211334608

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 200351, 400702, 801404, 1602808, 3205616, 80340751, 160681502, 321363004, 642726008, 1285452016]

約数ペア:

[(1, 1285452016), (2, 642726008), (4, 321363004), (8, 160681502), (16, 80340751), (401, 3205616), (802, 1602808), (1604, 801404), (3208, 400702), (6416, 200351)]