81256994

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{63781}}^1$

素因数の和:63810

約数の個数: 24

約数和(自身を含む): 152694108

約数和(自身を除く): 71437114

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 63781, 127562, 446467, 829153, 892934, 1658306, 3125269, 5804071, 6250538, 11608142, 40628497, 81256994]

約数ペア:

[(1, 81256994), (2, 40628497), (7, 11608142), (13, 6250538), (14, 5804071), (26, 3125269), (49, 1658306), (91, 892934), (98, 829153), (182, 446467), (637, 127562), (1274, 63781)]