51642608

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:945

約数の個数: 40

約数和(自身を含む): 105893520

約数和(自身を除く): 54250912

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 257, 304, 514, 661, 1028, 1322, 2056, 2644, 4112, 4883, 5288, 9766, 10576, 12559, 19532, 25118, 39064, 50236, 78128, 100472, 169877, 200944, 339754, 679508, 1359016, 2718032, 3227663, 6455326, 12910652, 25821304, 51642608]

約数ペア:

[(1, 51642608), (2, 25821304), (4, 12910652), (8, 6455326), (16, 3227663), (19, 2718032), (38, 1359016), (76, 679508), (152, 339754), (257, 200944), (304, 169877), (514, 100472), (661, 78128), (1028, 50236), (1322, 39064), (2056, 25118), (2644, 19532), (4112, 12559), (4883, 10576), (5288, 9766)]