15873328

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 31739040

約数和(自身を除く): 15865712

約数列:

[1, 2, 4, 8, 16, 71, 89, 142, 157, 178, 284, 314, 356, 568, 628, 712, 1136, 1256, 1424, 2512, 6319, 11147, 12638, 13973, 22294, 25276, 27946, 44588, 50552, 55892, 89176, 101104, 111784, 178352, 223568, 992083, 1984166, 3968332, 7936664, 15873328]

約数ペア:

[(1, 15873328), (2, 7936664), (4, 3968332), (8, 1984166), (16, 992083), (71, 223568), (89, 178352), (142, 111784), (157, 101104), (178, 89176), (284, 55892), (314, 50552), (356, 44588), (568, 27946), (628, 25276), (712, 22294), (1136, 13973), (1256, 12638), (1424, 11147), (2512, 6319)]