1285237156

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{69653}}^1$

素因数の和:70323

約数の個数: 24

約数和(自身を含む): 2574411840

約数和(自身を除く): 1289174684

約数列:

[1, 2, 4, 7, 14, 28, 659, 1318, 2636, 4613, 9226, 18452, 69653, 139306, 278612, 487571, 975142, 1950284, 45901327, 91802654, 183605308, 321309289, 642618578, 1285237156]

約数ペア:

[(1, 1285237156), (2, 642618578), (4, 321309289), (7, 183605308), (14, 91802654), (28, 45901327), (659, 1950284), (1318, 975142), (2636, 487571), (4613, 278612), (9226, 139306), (18452, 69653)]