77981368

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{314441}}^1$

素因数の和:314478

約数の個数: 16

約数和(自身を含む): 150932160

約数和(自身を除く): 72950792

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 314441, 628882, 1257764, 2515528, 9747671, 19495342, 38990684, 77981368]

約数ペア:

[(1, 77981368), (2, 38990684), (4, 19495342), (8, 9747671), (31, 2515528), (62, 1257764), (124, 628882), (248, 314441)]