28468752

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1061}}^1$

素因数の和:1128

約数の個数: 80

約数和(自身を含む): 81119808

約数和(自身を除く): 52651056

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 43, 48, 52, 78, 86, 104, 129, 156, 172, 208, 258, 312, 344, 516, 559, 624, 688, 1032, 1061, 1118, 1677, 2064, 2122, 2236, 3183, 3354, 4244, 4472, 6366, 6708, 8488, 8944, 12732, 13416, 13793, 16976, 25464, 26832, 27586, 41379, 45623, 50928, 55172, 82758, 91246, 110344, 136869, 165516, 182492, 220688, 273738, 331032, 364984, 547476, 593099, 662064, 729968, 1094952, 1186198, 1779297, 2189904, 2372396, 3558594, 4744792, 7117188, 9489584, 14234376, 28468752]

約数ペア:

[(1, 28468752), (2, 14234376), (3, 9489584), (4, 7117188), (6, 4744792), (8, 3558594), (12, 2372396), (13, 2189904), (16, 1779297), (24, 1186198), (26, 1094952), (39, 729968), (43, 662064), (48, 593099), (52, 547476), (78, 364984), (86, 331032), (104, 273738), (129, 220688), (156, 182492), (172, 165516), (208, 136869), (258, 110344), (312, 91246), (344, 82758), (516, 55172), (559, 50928), (624, 45623), (688, 41379), (1032, 27586), (1061, 26832), (1118, 25464), (1677, 16976), (2064, 13793), (2122, 13416), (2236, 12732), (3183, 8944), (3354, 8488), (4244, 6708), (4472, 6366)]