28753992

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{21019}}^1$

素因数の和:21050

約数の個数: 48

約数和(自身を含む): 81978000

約数和(自身を除く): 53224008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 21019, 42038, 63057, 84076, 126114, 168152, 189171, 252228, 378342, 399361, 504456, 756684, 798722, 1198083, 1513368, 1597444, 2396166, 3194888, 3594249, 4792332, 7188498, 9584664, 14376996, 28753992]

約数ペア:

[(1, 28753992), (2, 14376996), (3, 9584664), (4, 7188498), (6, 4792332), (8, 3594249), (9, 3194888), (12, 2396166), (18, 1597444), (19, 1513368), (24, 1198083), (36, 798722), (38, 756684), (57, 504456), (72, 399361), (76, 378342), (114, 252228), (152, 189171), (171, 168152), (228, 126114), (342, 84076), (456, 63057), (684, 42038), (1368, 21019)]