31821916

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{16007}}^1$

素因数の和:16089

約数の個数: 24

約数和(自身を含む): 64544256

約数和(自身を除く): 32722340

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 16007, 32014, 64028, 112049, 224098, 448196, 1136497, 2272994, 4545988, 7955479, 15910958, 31821916]

約数ペア:

[(1, 31821916), (2, 15910958), (4, 7955479), (7, 4545988), (14, 2272994), (28, 1136497), (71, 448196), (142, 224098), (284, 112049), (497, 64028), (994, 32014), (1988, 16007)]