28180308

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4201}}^1$

素因数の和:4264

約数の個数: 48

約数和(自身を含む): 72476096

約数和(自身を除く): 44295788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 4201, 6708, 8402, 12603, 16804, 25206, 50412, 54613, 109226, 163839, 180643, 218452, 327678, 361286, 541929, 655356, 722572, 1083858, 2167716, 2348359, 4696718, 7045077, 9393436, 14090154, 28180308]

約数ペア:

[(1, 28180308), (2, 14090154), (3, 9393436), (4, 7045077), (6, 4696718), (12, 2348359), (13, 2167716), (26, 1083858), (39, 722572), (43, 655356), (52, 541929), (78, 361286), (86, 327678), (129, 218452), (156, 180643), (172, 163839), (258, 109226), (516, 54613), (559, 50412), (1118, 25206), (1677, 16804), (2236, 12603), (3354, 8402), (4201, 6708)]