28312784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{29009}}^1$

素因数の和:29078

約数の個数: 20

約数和(自身を含む): 55757220

約数和(自身を除く): 27444436

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 29009, 58018, 116036, 232072, 464144, 1769549, 3539098, 7078196, 14156392, 28312784]

約数ペア:

[(1, 28312784), (2, 14156392), (4, 7078196), (8, 3539098), (16, 1769549), (61, 464144), (122, 232072), (244, 116036), (488, 58018), (976, 29009)]