28759878

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 75878400

約数和(自身を除く): 47118522

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 37, 42, 62, 63, 74, 93, 111, 126, 186, 199, 217, 222, 259, 279, 333, 398, 434, 518, 558, 597, 651, 666, 777, 1147, 1194, 1302, 1393, 1554, 1791, 1953, 2294, 2331, 2786, 3441, 3582, 3906, 4179, 4662, 6169, 6882, 7363, 8029, 8358, 10323, 12338, 12537, 14726, 16058, 18507, 20646, 22089, 24087, 25074, 37014, 43183, 44178, 48174, 51541, 55521, 66267, 72261, 86366, 103082, 111042, 129549, 132534, 144522, 154623, 228253, 259098, 309246, 388647, 456506, 463869, 684759, 777294, 927738, 1369518, 1597771, 2054277, 3195542, 4108554, 4793313, 9586626, 14379939, 28759878]

約数ペア:

[(1, 28759878), (2, 14379939), (3, 9586626), (6, 4793313), (7, 4108554), (9, 3195542), (14, 2054277), (18, 1597771), (21, 1369518), (31, 927738), (37, 777294), (42, 684759), (62, 463869), (63, 456506), (74, 388647), (93, 309246), (111, 259098), (126, 228253), (186, 154623), (199, 144522), (217, 132534), (222, 129549), (259, 111042), (279, 103082), (333, 86366), (398, 72261), (434, 66267), (518, 55521), (558, 51541), (597, 48174), (651, 44178), (666, 43183), (777, 37014), (1147, 25074), (1194, 24087), (1302, 22089), (1393, 20646), (1554, 18507), (1791, 16058), (1953, 14726), (2294, 12537), (2331, 12338), (2786, 10323), (3441, 8358), (3582, 8029), (3906, 7363), (4179, 6882), (4662, 6169)]