321489428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{63737}}^1$

素因数の和:63851

約数の個数: 24

約数和(自身を含む): 612139752

約数和(自身を除く): 290650324

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 63737, 127474, 254948, 828581, 1657162, 3314324, 6182489, 12364978, 24729956, 80372357, 160744714, 321489428]

約数ペア:

[(1, 321489428), (2, 160744714), (4, 80372357), (13, 24729956), (26, 12364978), (52, 6182489), (97, 3314324), (194, 1657162), (388, 828581), (1261, 254948), (2522, 127474), (5044, 63737)]