1221995428

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{781327}}^1$

素因数の和:781371

約数の個数: 24

約数和(自身を含む): 2362735872

約数和(自身を除く): 1140740444

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 782, 1564, 781327, 1562654, 3125308, 13282559, 17970521, 26565118, 35941042, 53130236, 71882084, 305498857, 610997714, 1221995428]

約数ペア:

[(1, 1221995428), (2, 610997714), (4, 305498857), (17, 71882084), (23, 53130236), (34, 35941042), (46, 26565118), (68, 17970521), (92, 13282559), (391, 3125308), (782, 1562654), (1564, 781327)]