256420112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{571}}^1$

素因数の和:736

約数の個数: 80

約数和(自身を含む): 571963392

約数和(自身を除く): 315543280

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 127, 136, 208, 221, 254, 272, 442, 508, 571, 884, 1016, 1142, 1651, 1768, 2032, 2159, 2284, 3302, 3536, 4318, 4568, 6604, 7423, 8636, 9136, 9707, 13208, 14846, 17272, 19414, 26416, 28067, 29692, 34544, 38828, 56134, 59384, 72517, 77656, 112268, 118768, 126191, 145034, 155312, 224536, 252382, 290068, 449072, 504764, 580136, 942721, 1009528, 1160272, 1232789, 1885442, 2019056, 2465578, 3770884, 4931156, 7541768, 9862312, 15083536, 16026257, 19724624, 32052514, 64105028, 128210056, 256420112]

約数ペア:

[(1, 256420112), (2, 128210056), (4, 64105028), (8, 32052514), (13, 19724624), (16, 16026257), (17, 15083536), (26, 9862312), (34, 7541768), (52, 4931156), (68, 3770884), (104, 2465578), (127, 2019056), (136, 1885442), (208, 1232789), (221, 1160272), (254, 1009528), (272, 942721), (442, 580136), (508, 504764), (571, 449072), (884, 290068), (1016, 252382), (1142, 224536), (1651, 155312), (1768, 145034), (2032, 126191), (2159, 118768), (2284, 112268), (3302, 77656), (3536, 72517), (4318, 59384), (4568, 56134), (6604, 38828), (7423, 34544), (8636, 29692), (9136, 28067), (9707, 26416), (13208, 19414), (14846, 17272)]