128662672

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{90353}}^1$

素因数の和:90450

約数の個数: 20

約数和(自身を含む): 252087660

約数和(自身を除く): 123424988

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 90353, 180706, 361412, 722824, 1445648, 8041417, 16082834, 32165668, 64331336, 128662672]

約数ペア:

[(1, 128662672), (2, 64331336), (4, 32165668), (8, 16082834), (16, 8041417), (89, 1445648), (178, 722824), (356, 361412), (712, 180706), (1424, 90353)]