245147903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{6619}}^1$

素因数の和:6687

約数の個数: 32

約数和(自身を含む): 338096640

約数和(自身を除く): 92948737

約数列:

[1, 7, 11, 13, 37, 77, 91, 143, 259, 407, 481, 1001, 2849, 3367, 5291, 6619, 37037, 46333, 72809, 86047, 244903, 509663, 602329, 946517, 1714321, 2693933, 3183739, 6625619, 18857531, 22286173, 35021129, 245147903]

約数ペア:

[(1, 245147903), (7, 35021129), (11, 22286173), (13, 18857531), (37, 6625619), (77, 3183739), (91, 2693933), (143, 1714321), (259, 946517), (407, 602329), (481, 509663), (1001, 244903), (2849, 86047), (3367, 72809), (5291, 46333), (6619, 37037)]