28337556

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{487}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 71544704

約数和(自身を除く): 43207148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 373, 487, 746, 974, 1119, 1461, 1492, 1948, 2238, 2922, 4476, 4849, 5844, 6331, 9698, 12662, 14547, 18993, 19396, 25324, 29094, 37986, 58188, 75972, 181651, 363302, 544953, 726604, 1089906, 2179812, 2361463, 4722926, 7084389, 9445852, 14168778, 28337556]

約数ペア:

[(1, 28337556), (2, 14168778), (3, 9445852), (4, 7084389), (6, 4722926), (12, 2361463), (13, 2179812), (26, 1089906), (39, 726604), (52, 544953), (78, 363302), (156, 181651), (373, 75972), (487, 58188), (746, 37986), (974, 29094), (1119, 25324), (1461, 19396), (1492, 18993), (1948, 14547), (2238, 12662), (2922, 9698), (4476, 6331), (4849, 5844)]