81499736

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{93463}}^1$

素因数の和:93578

約数の個数: 16

約数和(自身を含む): 154215600

約数和(自身を除く): 72715864

約数列:

[1, 2, 4, 8, 109, 218, 436, 872, 93463, 186926, 373852, 747704, 10187467, 20374934, 40749868, 81499736]

約数ペア:

[(1, 81499736), (2, 40749868), (4, 20374934), (8, 10187467), (109, 747704), (218, 373852), (436, 186926), (872, 93463)]