279778838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{138917}}^1$

素因数の和:138991

約数の個数: 16

約数和(自身を含む): 450094320

約数和(自身を除く): 170315482

約数列:

[1, 2, 19, 38, 53, 106, 1007, 2014, 138917, 277834, 2639423, 5278846, 7362601, 14725202, 139889419, 279778838]

約数ペア:

[(1, 279778838), (2, 139889419), (19, 14725202), (38, 7362601), (53, 5278846), (106, 2639423), (1007, 277834), (2014, 138917)]