28406864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{577}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 58699368

約数和(自身を除く): 30292504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 181, 272, 362, 577, 724, 1154, 1448, 2308, 2896, 3077, 4616, 6154, 9232, 9809, 12308, 19618, 24616, 39236, 49232, 78472, 104437, 156944, 208874, 417748, 835496, 1670992, 1775429, 3550858, 7101716, 14203432, 28406864]

約数ペア:

[(1, 28406864), (2, 14203432), (4, 7101716), (8, 3550858), (16, 1775429), (17, 1670992), (34, 835496), (68, 417748), (136, 208874), (181, 156944), (272, 104437), (362, 78472), (577, 49232), (724, 39236), (1154, 24616), (1448, 19618), (2308, 12308), (2896, 9809), (3077, 9232), (4616, 6154)]