128420292008

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{55545109}}^1$

素因数の和:55545149

約数の個数: 24

約数和(自身を含む): 255785231550

約数和(自身を除く): 127364939542

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 55545109, 111090218, 222180436, 444360872, 944266853, 1888533706, 3777067412, 7554134824, 16052536501, 32105073002, 64210146004, 128420292008]

約数ペア:

[(1, 128420292008), (2, 64210146004), (4, 32105073002), (8, 16052536501), (17, 7554134824), (34, 3777067412), (68, 1888533706), (136, 944266853), (289, 444360872), (578, 222180436), (1156, 111090218), (2312, 55545109)]