66810224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321203}}^1$

素因数の和:321224

約数の個数: 20

約数和(自身を含む): 139402536

約数和(自身を除く): 72592312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321203, 642406, 1284812, 2569624, 4175639, 5139248, 8351278, 16702556, 33405112, 66810224]

約数ペア:

[(1, 66810224), (2, 33405112), (4, 16702556), (8, 8351278), (13, 5139248), (16, 4175639), (26, 2569624), (52, 1284812), (104, 642406), (208, 321203)]