78840575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{389}}^1$

素因数の和:488

約数の個数: 36

約数和(自身を含む): 109341960

約数和(自身を除く): 30501385

約数列:

[1, 5, 11, 25, 55, 67, 121, 275, 335, 389, 605, 737, 1675, 1945, 3025, 3685, 4279, 8107, 9725, 18425, 21395, 26063, 40535, 47069, 106975, 130315, 202675, 235345, 286693, 651575, 1176725, 1433465, 3153623, 7167325, 15768115, 78840575]

約数ペア:

[(1, 78840575), (5, 15768115), (11, 7167325), (25, 3153623), (55, 1433465), (67, 1176725), (121, 651575), (275, 286693), (335, 235345), (389, 202675), (605, 130315), (737, 106975), (1675, 47069), (1945, 40535), (3025, 26063), (3685, 21395), (4279, 18425), (8107, 9725)]