551389645

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{587}}^1$

素因数の和:909

約数の個数: 32

約数和(自身を含む): 720897408

約数和(自身を除く): 169507763

約数列:

[1, 5, 17, 43, 85, 215, 257, 587, 731, 1285, 2935, 3655, 4369, 9979, 11051, 21845, 25241, 49895, 55255, 126205, 150859, 187867, 429097, 754295, 939335, 2145485, 2564603, 6486937, 12823015, 32434685, 110277929, 551389645]

約数ペア:

[(1, 551389645), (5, 110277929), (17, 32434685), (43, 12823015), (85, 6486937), (215, 2564603), (257, 2145485), (587, 939335), (731, 754295), (1285, 429097), (2935, 187867), (3655, 150859), (4369, 126205), (9979, 55255), (11051, 49895), (21845, 25241)]