220428546

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{68927}}^1$

素因数の和:68986

約数の個数: 32

約数和(自身を含む): 486355968

約数和(自身を除く): 265927422

約数列:

[1, 2, 3, 6, 13, 26, 39, 41, 78, 82, 123, 246, 533, 1066, 1599, 3198, 68927, 137854, 206781, 413562, 896051, 1792102, 2688153, 2826007, 5376306, 5652014, 8478021, 16956042, 36738091, 73476182, 110214273, 220428546]

約数ペア:

[(1, 220428546), (2, 110214273), (3, 73476182), (6, 36738091), (13, 16956042), (26, 8478021), (39, 5652014), (41, 5376306), (78, 2826007), (82, 2688153), (123, 1792102), (246, 896051), (533, 413562), (1066, 206781), (1599, 137854), (3198, 68927)]