28733238

素因数分解:

$2^1\times 3^3\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 66813120

約数和(自身を除く): 38079882

約数列:

[1, 2, 3, 6, 9, 18, 27, 37, 54, 73, 74, 111, 146, 197, 219, 222, 333, 394, 438, 591, 657, 666, 999, 1182, 1314, 1773, 1971, 1998, 2701, 3546, 3942, 5319, 5402, 7289, 8103, 10638, 14381, 14578, 16206, 21867, 24309, 28762, 43143, 43734, 48618, 65601, 72927, 86286, 129429, 131202, 145854, 196803, 258858, 388287, 393606, 532097, 776574, 1064194, 1596291, 3192582, 4788873, 9577746, 14366619, 28733238]

約数ペア:

[(1, 28733238), (2, 14366619), (3, 9577746), (6, 4788873), (9, 3192582), (18, 1596291), (27, 1064194), (37, 776574), (54, 532097), (73, 393606), (74, 388287), (111, 258858), (146, 196803), (197, 145854), (219, 131202), (222, 129429), (333, 86286), (394, 72927), (438, 65601), (591, 48618), (657, 43734), (666, 43143), (999, 28762), (1182, 24309), (1314, 21867), (1773, 16206), (1971, 14578), (1998, 14381), (2701, 10638), (3546, 8103), (3942, 7289), (5319, 5402)]