38980456

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 77682240

約数和(自身を除く): 38701784

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 443, 647, 886, 1294, 1772, 2588, 3544, 5176, 7531, 10999, 15062, 21998, 30124, 43996, 60248, 87992, 286621, 573242, 1146484, 2292968, 4872557, 9745114, 19490228, 38980456]

約数ペア:

[(1, 38980456), (2, 19490228), (4, 9745114), (8, 4872557), (17, 2292968), (34, 1146484), (68, 573242), (136, 286621), (443, 87992), (647, 60248), (886, 43996), (1294, 30124), (1772, 21998), (2588, 15062), (3544, 10999), (5176, 7531)]