128820498

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{320449}}^1$

素因数の和:320521

約数の個数: 16

約数和(自身を含む): 261487200

約数和(自身を除く): 132666702

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 320449, 640898, 961347, 1922694, 21470083, 42940166, 64410249, 128820498]

約数ペア:

[(1, 128820498), (2, 64410249), (3, 42940166), (6, 21470083), (67, 1922694), (134, 961347), (201, 640898), (402, 320449)]