647479386

素因数分解:

$2^1\times 3^3\times {\mathrm{11990359}}^1$

素因数の和:11990370

約数の個数: 16

約数和(自身を含む): 1438843200

約数和(自身を除く): 791363814

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 11990359, 23980718, 35971077, 71942154, 107913231, 215826462, 323739693, 647479386]

約数ペア:

[(1, 647479386), (2, 323739693), (3, 215826462), (6, 107913231), (9, 71942154), (18, 35971077), (27, 23980718), (54, 11990359)]