31218935

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 48

約数和(自身を含む): 45390240

約数和(自身を除く): 14171305

約数列:

[1, 5, 11, 23, 29, 37, 55, 115, 145, 185, 253, 319, 407, 529, 667, 851, 1073, 1265, 1595, 2035, 2645, 3335, 4255, 5365, 5819, 7337, 9361, 11803, 15341, 19573, 24679, 29095, 36685, 46805, 59015, 76705, 97865, 123395, 168751, 215303, 271469, 567617, 843755, 1076515, 1357345, 2838085, 6243787, 31218935]

約数ペア:

[(1, 31218935), (5, 6243787), (11, 2838085), (23, 1357345), (29, 1076515), (37, 843755), (55, 567617), (115, 271469), (145, 215303), (185, 168751), (253, 123395), (319, 97865), (407, 76705), (529, 59015), (667, 46805), (851, 36685), (1073, 29095), (1265, 24679), (1595, 19573), (2035, 15341), (2645, 11803), (3335, 9361), (4255, 7337), (5365, 5819)]