128314642

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 24

約数和(自身を含む): 201153996

約数和(自身を除く): 72839354

約数列:

[1, 2, 31, 62, 101, 202, 661, 961, 1322, 1922, 3131, 6262, 20491, 40982, 66761, 97061, 133522, 194122, 635221, 1270442, 2069591, 4139182, 64157321, 128314642]

約数ペア:

[(1, 128314642), (2, 64157321), (31, 4139182), (62, 2069591), (101, 1270442), (202, 635221), (661, 194122), (961, 133522), (1322, 97061), (1922, 66761), (3131, 40982), (6262, 20491)]