81866344

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{27583}}^1$

素因数の和:27649

約数の個数: 32

約数和(自身を含む): 178744320

約数和(自身を除く): 96877976

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 27583, 55166, 110332, 193081, 220664, 386162, 772324, 1461899, 1544648, 2923798, 5847596, 10233293, 11695192, 20466586, 40933172, 81866344]

約数ペア:

[(1, 81866344), (2, 40933172), (4, 20466586), (7, 11695192), (8, 10233293), (14, 5847596), (28, 2923798), (53, 1544648), (56, 1461899), (106, 772324), (212, 386162), (371, 220664), (424, 193081), (742, 110332), (1484, 55166), (2968, 27583)]