16877978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:350

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 11571814

約数列:

[1, 2, 13, 26, 41, 71, 82, 142, 223, 446, 533, 923, 1066, 1846, 2899, 2911, 5798, 5822, 9143, 15833, 18286, 31666, 37843, 75686, 118859, 205829, 237718, 411658, 649153, 1298306, 8438989, 16877978]

約数ペア:

[(1, 16877978), (2, 8438989), (13, 1298306), (26, 649153), (41, 411658), (71, 237718), (82, 205829), (142, 118859), (223, 75686), (446, 37843), (533, 31666), (923, 18286), (1066, 15833), (1846, 9143), (2899, 5822), (2911, 5798)]