42643952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{205019}}^1$

素因数の和:205040

約数の個数: 20

約数和(自身を含む): 88978680

約数和(自身を除く): 46334728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 205019, 410038, 820076, 1640152, 2665247, 3280304, 5330494, 10660988, 21321976, 42643952]

約数ペア:

[(1, 42643952), (2, 21321976), (4, 10660988), (8, 5330494), (13, 3280304), (16, 2665247), (26, 1640152), (52, 820076), (104, 410038), (208, 205019)]