261776008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{6277}}^1$

素因数の和:6697

約数の個数: 32

約数和(自身を含む): 529988760

約数和(自身を除く): 268212752

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 3208, 5213, 6277, 10426, 12554, 20852, 25108, 41704, 50216, 81601, 163202, 326404, 652808, 2517077, 5034154, 10068308, 20136616, 32722001, 65444002, 130888004, 261776008]

約数ペア:

[(1, 261776008), (2, 130888004), (4, 65444002), (8, 32722001), (13, 20136616), (26, 10068308), (52, 5034154), (104, 2517077), (401, 652808), (802, 326404), (1604, 163202), (3208, 81601), (5213, 50216), (6277, 41704), (10426, 25108), (12554, 20852)]