213478974

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{320539}}^1$

素因数の和:320584

約数の個数: 24

約数和(自身を含む): 475040280

約数和(自身を除く): 261561306

約数列:

[1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666, 320539, 641078, 961617, 1923234, 2884851, 5769702, 11859943, 23719886, 35579829, 71159658, 106739487, 213478974]

約数ペア:

[(1, 213478974), (2, 106739487), (3, 71159658), (6, 35579829), (9, 23719886), (18, 11859943), (37, 5769702), (74, 2884851), (111, 1923234), (222, 961617), (333, 641078), (666, 320539)]