138457328

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{211063}}^1$

素因数の和:211112

約数の個数: 20

約数和(自身を含む): 274805328

約数和(自身を除く): 136348000

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 211063, 422126, 844252, 1688504, 3377008, 8653583, 17307166, 34614332, 69228664, 138457328]

約数ペア:

[(1, 138457328), (2, 69228664), (4, 34614332), (8, 17307166), (16, 8653583), (41, 3377008), (82, 1688504), (164, 844252), (328, 422126), (656, 211063)]