128220966

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{54377}}^1$

素因数の和:54516

約数の個数: 24

約数和(自身を含む): 279937944

約数和(自身を除く): 151716978

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 54377, 108754, 163131, 326262, 489393, 978786, 7123387, 14246774, 21370161, 42740322, 64110483, 128220966]

約数ペア:

[(1, 128220966), (2, 64110483), (3, 42740322), (6, 21370161), (9, 14246774), (18, 7123387), (131, 978786), (262, 489393), (393, 326262), (786, 163131), (1179, 108754), (2358, 54377)]