16863.000000

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 40

約数和(自身を含む): 851136

約数和(自身を除く): 496816

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 344, 412, 430, 515, 688, 824, 860, 1030, 1648, 1720, 2060, 3440, 4120, 4429, 8240, 8858, 17716, 22145, 35432, 44290, 70864, 88580, 177160, 354320]

約数ペア:

[(1, 354320), (2, 177160), (4, 88580), (5, 70864), (8, 44290), (10, 35432), (16, 22145), (20, 17716), (40, 8858), (43, 8240), (80, 4429), (86, 4120), (103, 3440), (172, 2060), (206, 1720), (215, 1648), (344, 1030), (412, 860), (430, 824), (515, 688)]