81690896

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{10273}}^1$

素因数の和:10359

約数の個数: 40

約数和(自身を含む): 183452544

約数和(自身を除く): 101761648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 3976, 7952, 10273, 20546, 41092, 71911, 82184, 143822, 164368, 287644, 575288, 729383, 1150576, 1458766, 2917532, 5105681, 5835064, 10211362, 11670128, 20422724, 40845448, 81690896]

約数ペア:

[(1, 81690896), (2, 40845448), (4, 20422724), (7, 11670128), (8, 10211362), (14, 5835064), (16, 5105681), (28, 2917532), (56, 1458766), (71, 1150576), (112, 729383), (142, 575288), (284, 287644), (497, 164368), (568, 143822), (994, 82184), (1136, 71911), (1988, 41092), (3976, 20546), (7952, 10273)]