66538028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{12479}}^1$

素因数の和:12557

約数の個数: 24

約数和(自身を含む): 123002880

約数和(自身を除く): 56464852

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 1333, 2666, 5332, 12479, 24958, 49916, 386849, 536597, 773698, 1073194, 1547396, 2146388, 16634507, 33269014, 66538028]

約数ペア:

[(1, 66538028), (2, 33269014), (4, 16634507), (31, 2146388), (43, 1547396), (62, 1073194), (86, 773698), (124, 536597), (172, 386849), (1333, 49916), (2666, 24958), (5332, 12479)]