66495845

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{643}}^1$

素因数の和:741

約数の個数: 32

約数和(自身を含む): 90448512

約数和(自身を除く): 23952667

約数列:

[1, 5, 13, 37, 43, 65, 185, 215, 481, 559, 643, 1591, 2405, 2795, 3215, 7955, 8359, 20683, 23791, 27649, 41795, 103415, 118955, 138245, 309283, 359437, 1023013, 1546415, 1797185, 5115065, 13299169, 66495845]

約数ペア:

[(1, 66495845), (5, 13299169), (13, 5115065), (37, 1797185), (43, 1546415), (65, 1023013), (185, 359437), (215, 309283), (481, 138245), (559, 118955), (643, 103415), (1591, 41795), (2405, 27649), (2795, 23791), (3215, 20683), (7955, 8359)]