289440028

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4256471}}^1$

素因数の和:4256492

約数の個数: 12

約数和(自身を含む): 536315472

約数和(自身を除く): 246875444

約数列:

[1, 2, 4, 17, 34, 68, 4256471, 8512942, 17025884, 72360007, 144720014, 289440028]

約数ペア:

[(1, 289440028), (2, 144720014), (4, 72360007), (17, 17025884), (34, 8512942), (68, 4256471)]