42123445

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2221

約数の個数: 32

約数和(自身を含む): 63689472

約数和(自身を除く): 21566027

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2153, 2795, 3913, 10765, 15071, 19565, 27989, 75355, 92579, 139945, 195923, 462895, 648053, 979615, 1203527, 3240265, 6017635, 8424689, 42123445]

約数ペア:

[(1, 42123445), (5, 8424689), (7, 6017635), (13, 3240265), (35, 1203527), (43, 979615), (65, 648053), (91, 462895), (215, 195923), (301, 139945), (455, 92579), (559, 75355), (1505, 27989), (2153, 19565), (2795, 15071), (3913, 10765)]