16616275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 24060960

約数和(自身を除く): 7444685

約数列:

[1, 5, 13, 25, 29, 41, 43, 65, 145, 205, 215, 325, 377, 533, 559, 725, 1025, 1075, 1189, 1247, 1763, 1885, 2665, 2795, 5945, 6235, 8815, 9425, 13325, 13975, 15457, 16211, 22919, 29725, 31175, 44075, 51127, 77285, 81055, 114595, 255635, 386425, 405275, 572975, 664651, 1278175, 3323255, 16616275]

約数ペア:

[(1, 16616275), (5, 3323255), (13, 1278175), (25, 664651), (29, 572975), (41, 405275), (43, 386425), (65, 255635), (145, 114595), (205, 81055), (215, 77285), (325, 51127), (377, 44075), (533, 31175), (559, 29725), (725, 22919), (1025, 16211), (1075, 15457), (1189, 13975), (1247, 13325), (1763, 9425), (1885, 8815), (2665, 6235), (2795, 5945)]