1290748784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{6205523}}^1$

素因数の和:6205544

約数の個数: 20

約数和(自身を含む): 2693197416

約数和(自身を除く): 1402448632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 6205523, 12411046, 24822092, 49644184, 80671799, 99288368, 161343598, 322687196, 645374392, 1290748784]

約数ペア:

[(1, 1290748784), (2, 645374392), (4, 322687196), (8, 161343598), (13, 99288368), (16, 80671799), (26, 49644184), (52, 24822092), (104, 12411046), (208, 6205523)]