31998128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1571}}^1$

素因数の和:1665

約数の個数: 40

約数和(自身を含む): 66275520

約数和(自身を除く): 34277392

約数列:

[1, 2, 4, 8, 16, 19, 38, 67, 76, 134, 152, 268, 304, 536, 1072, 1273, 1571, 2546, 3142, 5092, 6284, 10184, 12568, 20368, 25136, 29849, 59698, 105257, 119396, 210514, 238792, 421028, 477584, 842056, 1684112, 1999883, 3999766, 7999532, 15999064, 31998128]

約数ペア:

[(1, 31998128), (2, 15999064), (4, 7999532), (8, 3999766), (16, 1999883), (19, 1684112), (38, 842056), (67, 477584), (76, 421028), (134, 238792), (152, 210514), (268, 119396), (304, 105257), (536, 59698), (1072, 29849), (1273, 25136), (1571, 20368), (2546, 12568), (3142, 10184), (5092, 6284)]