26891137

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 35409920

約数和(自身を除く): 8518783

約数列:

[1, 7, 13, 19, 91, 103, 133, 151, 247, 721, 1057, 1339, 1729, 1957, 1963, 2869, 9373, 13699, 13741, 15553, 20083, 25441, 37297, 108871, 178087, 202189, 261079, 295507, 1415323, 2068549, 3841591, 26891137]

約数ペア:

[(1, 26891137), (7, 3841591), (13, 2068549), (19, 1415323), (91, 295507), (103, 261079), (133, 202189), (151, 178087), (247, 108871), (721, 37297), (1057, 25441), (1339, 20083), (1729, 15553), (1957, 13741), (1963, 13699), (2869, 9373)]