12100385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 16809984

約数和(自身を除く): 4709599

約数列:

[1, 5, 11, 31, 47, 55, 151, 155, 235, 341, 517, 755, 1457, 1661, 1705, 2585, 4681, 7097, 7285, 8305, 16027, 23405, 35485, 51491, 78067, 80135, 220007, 257455, 390335, 1100035, 2420077, 12100385]

約数ペア:

[(1, 12100385), (5, 2420077), (11, 1100035), (31, 390335), (47, 257455), (55, 220007), (151, 80135), (155, 78067), (235, 51491), (341, 35485), (517, 23405), (755, 16027), (1457, 8305), (1661, 7285), (1705, 7097), (2585, 4681)]