128767184

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{6803}}^1$

素因数の和:6844

約数の個数: 60

約数和(自身を含む): 308792736

約数和(自身を除く): 180025552

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 676, 728, 1183, 1352, 1456, 2366, 2704, 4732, 6803, 9464, 13606, 18928, 27212, 47621, 54424, 88439, 95242, 108848, 176878, 190484, 353756, 380968, 619073, 707512, 761936, 1149707, 1238146, 1415024, 2299414, 2476292, 4598828, 4952584, 8047949, 9197656, 9905168, 16095898, 18395312, 32191796, 64383592, 128767184]

約数ペア:

[(1, 128767184), (2, 64383592), (4, 32191796), (7, 18395312), (8, 16095898), (13, 9905168), (14, 9197656), (16, 8047949), (26, 4952584), (28, 4598828), (52, 2476292), (56, 2299414), (91, 1415024), (104, 1238146), (112, 1149707), (169, 761936), (182, 707512), (208, 619073), (338, 380968), (364, 353756), (676, 190484), (728, 176878), (1183, 108848), (1352, 95242), (1456, 88439), (2366, 54424), (2704, 47621), (4732, 27212), (6803, 18928), (9464, 13606)]