80538868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{649507}}^1$

素因数の和:649542

約数の個数: 12

約数和(自身を含む): 145489792

約数和(自身を除く): 64950924

約数列:

[1, 2, 4, 31, 62, 124, 649507, 1299014, 2598028, 20134717, 40269434, 80538868]

約数ペア:

[(1, 80538868), (2, 40269434), (4, 20134717), (31, 2598028), (62, 1299014), (124, 649507)]