28686428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{16411}}^1$

素因数の和:16457

約数の個数: 24

約数和(自身を含む): 55144320

約数和(自身を除く): 26457892

約数列:

[1, 2, 4, 19, 23, 38, 46, 76, 92, 437, 874, 1748, 16411, 32822, 65644, 311809, 377453, 623618, 754906, 1247236, 1509812, 7171607, 14343214, 28686428]

約数ペア:

[(1, 28686428), (2, 14343214), (4, 7171607), (19, 1509812), (23, 1247236), (38, 754906), (46, 623618), (76, 377453), (92, 311809), (437, 65644), (874, 32822), (1748, 16411)]