261628848

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139759}}^1$

素因数の和:139786

約数の個数: 60

約数和(自身を含む): 788525920

約数和(自身を除く): 526897072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 139759, 279518, 419277, 559036, 838554, 1118072, 1257831, 1677108, 1816867, 2236144, 2515662, 3354216, 3633734, 5031324, 5450601, 6708432, 7267468, 10062648, 10901202, 14534936, 16351803, 20125296, 21802404, 29069872, 32703606, 43604808, 65407212, 87209616, 130814424, 261628848]

約数ペア:

[(1, 261628848), (2, 130814424), (3, 87209616), (4, 65407212), (6, 43604808), (8, 32703606), (9, 29069872), (12, 21802404), (13, 20125296), (16, 16351803), (18, 14534936), (24, 10901202), (26, 10062648), (36, 7267468), (39, 6708432), (48, 5450601), (52, 5031324), (72, 3633734), (78, 3354216), (104, 2515662), (117, 2236144), (144, 1816867), (156, 1677108), (208, 1257831), (234, 1118072), (312, 838554), (468, 559036), (624, 419277), (936, 279518), (1872, 139759)]