51440545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 69445152

約数和(自身を除く): 18004607

約数列:

[1, 5, 13, 37, 65, 73, 185, 293, 365, 481, 949, 1465, 2405, 2701, 3809, 4745, 10841, 13505, 19045, 21389, 35113, 54205, 106945, 140933, 175565, 278057, 704665, 791393, 1390285, 3956965, 10288109, 51440545]

約数ペア:

[(1, 51440545), (5, 10288109), (13, 3956965), (37, 1390285), (65, 791393), (73, 704665), (185, 278057), (293, 175565), (365, 140933), (481, 106945), (949, 54205), (1465, 35113), (2405, 21389), (2701, 19045), (3809, 13505), (4745, 10841)]