251018992208

素因数分解:

$2^4\times {\mathrm{28621}}^1\times {\mathrm{548153}}^1$

素因数の和:576782

約数の個数: 20

約数和(自身を含む): 486367177428

約数和(自身を除く): 235348185220

約数列:

[1, 2, 4, 8, 16, 28621, 57242, 114484, 228968, 457936, 548153, 1096306, 2192612, 4385224, 8770448, 15688687013, 31377374026, 62754748052, 125509496104, 251018992208]

約数ペア:

[(1, 251018992208), (2, 125509496104), (4, 62754748052), (8, 31377374026), (16, 15688687013), (28621, 8770448), (57242, 4385224), (114484, 2192612), (228968, 1096306), (457936, 548153)]