81418456

素因数分解:

$2^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{35461}}^1$

素因数の和:35515

約数の個数: 32

約数和(自身を含む): 178728480

約数和(自身を除く): 97310024

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 56, 82, 164, 287, 328, 574, 1148, 2296, 35461, 70922, 141844, 248227, 283688, 496454, 992908, 1453901, 1985816, 2907802, 5815604, 10177307, 11631208, 20354614, 40709228, 81418456]

約数ペア:

[(1, 81418456), (2, 40709228), (4, 20354614), (7, 11631208), (8, 10177307), (14, 5815604), (28, 2907802), (41, 1985816), (56, 1453901), (82, 992908), (164, 496454), (287, 283688), (328, 248227), (574, 141844), (1148, 70922), (2296, 35461)]