1221028

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 2266880

約数和(自身を除く): 1045852

約数列:

[1, 2, 4, 31, 43, 62, 86, 124, 172, 229, 458, 916, 1333, 2666, 5332, 7099, 9847, 14198, 19694, 28396, 39388, 305257, 610514, 1221028]

約数ペア:

[(1, 1221028), (2, 610514), (4, 305257), (31, 39388), (43, 28396), (62, 19694), (86, 14198), (124, 9847), (172, 7099), (229, 5332), (458, 2666), (916, 1333)]