78892784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{290047}}^1$

素因数の和:290072

約数の個数: 20

約数和(自身を含む): 161846784

約数和(自身を除く): 82954000

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 290047, 580094, 1160188, 2320376, 4640752, 4930799, 9861598, 19723196, 39446392, 78892784]

約数ペア:

[(1, 78892784), (2, 39446392), (4, 19723196), (8, 9861598), (16, 4930799), (17, 4640752), (34, 2320376), (68, 1160188), (136, 580094), (272, 290047)]