78788255

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4027}}^1$

素因数の和:4095

約数の個数: 32

約数和(自身を含む): 119099904

約数和(自身を除く): 40311649

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 215, 301, 455, 559, 1505, 2795, 3913, 4027, 19565, 20135, 28189, 52351, 140945, 173161, 261755, 366457, 865805, 1212127, 1832285, 2251093, 6060635, 11255465, 15757651, 78788255]

約数ペア:

[(1, 78788255), (5, 15757651), (7, 11255465), (13, 6060635), (35, 2251093), (43, 1832285), (65, 1212127), (91, 865805), (215, 366457), (301, 261755), (455, 173161), (559, 140945), (1505, 52351), (2795, 28189), (3913, 20135), (4027, 19565)]