420046978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1439}}^1$

素因数の和:1666

約数の個数: 32

約数和(自身を含む): 691891200

約数和(自身を除く): 271844222

約数列:

[1, 2, 13, 26, 103, 109, 206, 218, 1339, 1417, 1439, 2678, 2834, 2878, 11227, 18707, 22454, 37414, 145951, 148217, 156851, 291902, 296434, 313702, 1926821, 2039063, 3853642, 4078126, 16155653, 32311306, 210023489, 420046978]

約数ペア:

[(1, 420046978), (2, 210023489), (13, 32311306), (26, 16155653), (103, 4078126), (109, 3853642), (206, 2039063), (218, 1926821), (1339, 313702), (1417, 296434), (1439, 291902), (2678, 156851), (2834, 148217), (2878, 145951), (11227, 37414), (18707, 22454)]