65537780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{42557}}^1$

素因数の和:42584

約数の個数: 48

約数和(自身を含む): 171593856

約数和(自身を除く): 106056076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 42557, 85114, 170228, 212785, 297899, 425570, 468127, 595798, 851140, 936254, 1191596, 1489495, 1872508, 2340635, 2978990, 3276889, 4681270, 5957980, 6553778, 9362540, 13107556, 16384445, 32768890, 65537780]

約数ペア:

[(1, 65537780), (2, 32768890), (4, 16384445), (5, 13107556), (7, 9362540), (10, 6553778), (11, 5957980), (14, 4681270), (20, 3276889), (22, 2978990), (28, 2340635), (35, 1872508), (44, 1489495), (55, 1191596), (70, 936254), (77, 851140), (110, 595798), (140, 468127), (154, 425570), (220, 297899), (308, 212785), (385, 170228), (770, 85114), (1540, 42557)]