78021307

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 99663872

約数和(自身を除く): 21642565

約数列:

[1, 7, 13, 43, 91, 127, 157, 301, 559, 889, 1099, 1651, 2041, 3913, 5461, 6751, 11557, 14287, 19939, 38227, 47257, 70993, 87763, 139573, 259207, 496951, 614341, 857377, 1814449, 6001639, 11145901, 78021307]

約数ペア:

[(1, 78021307), (7, 11145901), (13, 6001639), (43, 1814449), (91, 857377), (127, 614341), (157, 496951), (301, 259207), (559, 139573), (889, 87763), (1099, 70993), (1651, 47257), (2041, 38227), (3913, 19939), (5461, 14287), (6751, 11557)]