278996812

素因数分解:

$2^2\times {\mathrm{4201}}^1\times {\mathrm{16603}}^1$

素因数の和:20808

約数の個数: 12

約数和(自身を含む): 488390056

約数和(自身を除く): 209393244

約数列:

[1, 2, 4, 4201, 8402, 16603, 16804, 33206, 66412, 69749203, 139498406, 278996812]

約数ペア:

[(1, 278996812), (2, 139498406), (4, 69749203), (4201, 66412), (8402, 33206), (16603, 16804)]