81677336

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4339}}^1$

素因数の和:4539

約数の個数: 32

約数和(自身を含む): 165874800

約数和(自身を除く): 84197464

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 181, 362, 724, 1448, 2353, 4339, 4706, 8678, 9412, 17356, 18824, 34712, 56407, 112814, 225628, 451256, 785359, 1570718, 3141436, 6282872, 10209667, 20419334, 40838668, 81677336]

約数ペア:

[(1, 81677336), (2, 40838668), (4, 20419334), (8, 10209667), (13, 6282872), (26, 3141436), (52, 1570718), (104, 785359), (181, 451256), (362, 225628), (724, 112814), (1448, 56407), (2353, 34712), (4339, 18824), (4706, 17356), (8678, 9412)]