128918344

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{49891}}^1$

素因数の和:49933

約数の個数: 32

約数和(自身を含む): 269416800

約数和(自身を除く): 140498456

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 49891, 99782, 199564, 399128, 848147, 947929, 1696294, 1895858, 3392588, 3791716, 6785176, 7583432, 16114793, 32229586, 64459172, 128918344]

約数ペア:

[(1, 128918344), (2, 64459172), (4, 32229586), (8, 16114793), (17, 7583432), (19, 6785176), (34, 3791716), (38, 3392588), (68, 1895858), (76, 1696294), (136, 947929), (152, 848147), (323, 399128), (646, 199564), (1292, 99782), (2584, 49891)]