51017995

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1$

素因数の和:475

約数の個数: 32

約数和(自身を含む): 72483840

約数和(自身を除く): 21465845

約数列:

[1, 5, 7, 35, 43, 109, 215, 301, 311, 545, 763, 1505, 1555, 2177, 3815, 4687, 10885, 13373, 23435, 32809, 33899, 66865, 93611, 164045, 169495, 237293, 468055, 1186465, 1457657, 7288285, 10203599, 51017995]

約数ペア:

[(1, 51017995), (5, 10203599), (7, 7288285), (35, 1457657), (43, 1186465), (109, 468055), (215, 237293), (301, 169495), (311, 164045), (545, 93611), (763, 66865), (1505, 33899), (1555, 32809), (2177, 23435), (3815, 13373), (4687, 10885)]