78727187

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:611

約数の個数: 32

約数和(自身を含む): 104924160

約数和(自身を除く): 26196973

約数列:

[1, 7, 11, 17, 77, 119, 137, 187, 439, 959, 1309, 1507, 2329, 3073, 4829, 7463, 10549, 16303, 25619, 33803, 52241, 60143, 82093, 179333, 421001, 574651, 661573, 1022431, 4631011, 7157017, 11246741, 78727187]

約数ペア:

[(1, 78727187), (7, 11246741), (11, 7157017), (17, 4631011), (77, 1022431), (119, 661573), (137, 574651), (187, 421001), (439, 179333), (959, 82093), (1309, 60143), (1507, 52241), (2329, 33803), (3073, 25619), (4829, 16303), (7463, 10549)]