28165904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7127}}^1$

素因数の和:7167

約数の個数: 40

約数和(自身を含む): 61871040

約数和(自身を除く): 33705136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 7127, 14254, 28508, 57016, 92651, 114032, 135413, 185302, 270826, 370604, 541652, 741208, 1083304, 1482416, 1760369, 2166608, 3520738, 7041476, 14082952, 28165904]

約数ペア:

[(1, 28165904), (2, 14082952), (4, 7041476), (8, 3520738), (13, 2166608), (16, 1760369), (19, 1482416), (26, 1083304), (38, 741208), (52, 541652), (76, 370604), (104, 270826), (152, 185302), (208, 135413), (247, 114032), (304, 92651), (494, 57016), (988, 28508), (1976, 14254), (3952, 7127)]