128176816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{258421}}^1$

素因数の和:258460

約数の個数: 20

約数和(自身を含む): 256354624

約数和(自身を除く): 128177808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 258421, 516842, 1033684, 2067368, 4134736, 8011051, 16022102, 32044204, 64088408, 128176816]

約数ペア:

[(1, 128176816), (2, 64088408), (4, 32044204), (8, 16022102), (16, 8011051), (31, 4134736), (62, 2067368), (124, 1033684), (248, 516842), (496, 258421)]