25638728

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 49059000

約数和(自身を除く): 23420272

約数列:

[1, 2, 4, 8, 137, 149, 157, 274, 298, 314, 548, 596, 628, 1096, 1192, 1256, 20413, 21509, 23393, 40826, 43018, 46786, 81652, 86036, 93572, 163304, 172072, 187144, 3204841, 6409682, 12819364, 25638728]

約数ペア:

[(1, 25638728), (2, 12819364), (4, 6409682), (8, 3204841), (137, 187144), (149, 172072), (157, 163304), (274, 93572), (298, 86036), (314, 81652), (548, 46786), (596, 43018), (628, 40826), (1096, 23393), (1192, 21509), (1256, 20413)]