31007108

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1723}}^1$

素因数の和:2147

約数の個数: 24

約数和(自身を含む): 59374560

約数和(自身を除く): 28367452

約数列:

[1, 2, 4, 11, 22, 44, 409, 818, 1636, 1723, 3446, 4499, 6892, 8998, 17996, 18953, 37906, 75812, 704707, 1409414, 2818828, 7751777, 15503554, 31007108]

約数ペア:

[(1, 31007108), (2, 15503554), (4, 7751777), (11, 2818828), (22, 1409414), (44, 704707), (409, 75812), (818, 37906), (1636, 18953), (1723, 17996), (3446, 8998), (4499, 6892)]