768961985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{138427}}^1$

素因数の和:138544

約数の個数: 16

約数和(自身を含む): 1016615232

約数和(自身を除く): 247653247

約数列:

[1, 5, 11, 55, 101, 505, 1111, 5555, 138427, 692135, 1522697, 7613485, 13981127, 69905635, 153792397, 768961985]

約数ペア:

[(1, 768961985), (5, 153792397), (11, 69905635), (55, 13981127), (101, 7613485), (505, 1522697), (1111, 692135), (5555, 138427)]