131209728

素因数分解:

$2^9\times 3^1\times {\mathrm{13}}^1\times {\mathrm{6571}}^1$

素因数の和:6605

約数の個数: 80

約数和(自身を含む): 376496736

約数和(自身を除く): 245287008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 512, 624, 768, 832, 1248, 1536, 1664, 2496, 3328, 4992, 6571, 6656, 9984, 13142, 19713, 19968, 26284, 39426, 52568, 78852, 85423, 105136, 157704, 170846, 210272, 256269, 315408, 341692, 420544, 512538, 630816, 683384, 841088, 1025076, 1261632, 1366768, 1682176, 2050152, 2523264, 2733536, 3364352, 4100304, 5046528, 5467072, 8200608, 10093056, 10934144, 16401216, 21868288, 32802432, 43736576, 65604864, 131209728]

約数ペア:

[(1, 131209728), (2, 65604864), (3, 43736576), (4, 32802432), (6, 21868288), (8, 16401216), (12, 10934144), (13, 10093056), (16, 8200608), (24, 5467072), (26, 5046528), (32, 4100304), (39, 3364352), (48, 2733536), (52, 2523264), (64, 2050152), (78, 1682176), (96, 1366768), (104, 1261632), (128, 1025076), (156, 841088), (192, 683384), (208, 630816), (256, 512538), (312, 420544), (384, 341692), (416, 315408), (512, 256269), (624, 210272), (768, 170846), (832, 157704), (1248, 105136), (1536, 85423), (1664, 78852), (2496, 52568), (3328, 39426), (4992, 26284), (6571, 19968), (6656, 19713), (9984, 13142)]