278640434

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{22153}}^1$

素因数の和:22505

約数の個数: 16

約数和(自身を含む): 441307680

約数和(自身を除く): 162667246

約数列:

[1, 2, 19, 38, 331, 662, 6289, 12578, 22153, 44306, 420907, 841814, 7332643, 14665286, 139320217, 278640434]

約数ペア:

[(1, 278640434), (2, 139320217), (19, 14665286), (38, 7332643), (331, 841814), (662, 420907), (6289, 44306), (12578, 22153)]