205121552

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{154459}}^1$

素因数の和:154550

約数の個数: 20

約数和(自身を含む): 402213840

約数和(自身を除く): 197092288

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 154459, 308918, 617836, 1235672, 2471344, 12820097, 25640194, 51280388, 102560776, 205121552]

約数ペア:

[(1, 205121552), (2, 102560776), (4, 51280388), (8, 25640194), (16, 12820097), (83, 2471344), (166, 1235672), (332, 617836), (664, 308918), (1328, 154459)]