128589028208

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{6607}}^1\times {\mathrm{39239}}^1$

素因数の和:45885

約数の個数: 40

約数和(自身を含む): 257223536640

約数和(自身を除く): 128634508432

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 6607, 13214, 26428, 39239, 52856, 78478, 105712, 156956, 204817, 313912, 409634, 627824, 819268, 1216409, 1638536, 2432818, 3277072, 4865636, 9731272, 19462544, 259252073, 518504146, 1037008292, 2074016584, 4148033168, 8036814263, 16073628526, 32147257052, 64294514104, 128589028208]

約数ペア:

[(1, 128589028208), (2, 64294514104), (4, 32147257052), (8, 16073628526), (16, 8036814263), (31, 4148033168), (62, 2074016584), (124, 1037008292), (248, 518504146), (496, 259252073), (6607, 19462544), (13214, 9731272), (26428, 4865636), (39239, 3277072), (52856, 2432818), (78478, 1638536), (105712, 1216409), (156956, 819268), (204817, 627824), (313912, 409634)]