28928336

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2213}}^1$

素因数の和:2283

約数の個数: 40

約数和(自身を含む): 60397920

約数和(自身を除く): 31469584

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 2213, 3268, 4426, 6536, 8852, 13072, 17704, 35408, 42047, 84094, 95159, 168188, 190318, 336376, 380636, 672752, 761272, 1522544, 1808021, 3616042, 7232084, 14464168, 28928336]

約数ペア:

[(1, 28928336), (2, 14464168), (4, 7232084), (8, 3616042), (16, 1808021), (19, 1522544), (38, 761272), (43, 672752), (76, 380636), (86, 336376), (152, 190318), (172, 168188), (304, 95159), (344, 84094), (688, 42047), (817, 35408), (1634, 17704), (2213, 13072), (3268, 8852), (4426, 6536)]