31875728

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{433}}^1$

素因数の和:591

約数の個数: 40

約数和(自身を含む): 63933408

約数和(自身を除く): 32057680

約数列:

[1, 2, 4, 8, 16, 43, 86, 107, 172, 214, 344, 428, 433, 688, 856, 866, 1712, 1732, 3464, 4601, 6928, 9202, 18404, 18619, 36808, 37238, 46331, 73616, 74476, 92662, 148952, 185324, 297904, 370648, 741296, 1992233, 3984466, 7968932, 15937864, 31875728]

約数ペア:

[(1, 31875728), (2, 15937864), (4, 7968932), (8, 3984466), (16, 1992233), (43, 741296), (86, 370648), (107, 297904), (172, 185324), (214, 148952), (344, 92662), (428, 74476), (433, 73616), (688, 46331), (856, 37238), (866, 36808), (1712, 18619), (1732, 18404), (3464, 9202), (4601, 6928)]