261619832

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{127247}}^1$

素因数の和:127510

約数の個数: 16

約数和(自身を含む): 492449760

約数和(自身を除く): 230829928

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 127247, 254494, 508988, 1017976, 32702479, 65404958, 130809916, 261619832]

約数ペア:

[(1, 261619832), (2, 130809916), (4, 65404958), (8, 32702479), (257, 1017976), (514, 508988), (1028, 254494), (2056, 127247)]