128211408

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{68489}}^1$

素因数の和:68516

約数の個数: 60

約数和(自身を含む): 386420580

約数和(自身を除く): 258209172

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, 68489, 136978, 205467, 273956, 410934, 547912, 616401, 821868, 890357, 1095824, 1232802, 1643736, 1780714, 2465604, 2671071, 3287472, 3561428, 4931208, 5342142, 7122856, 8013213, 9862416, 10684284, 14245712, 16026426, 21368568, 32052852, 42737136, 64105704, 128211408]

約数ペア:

[(1, 128211408), (2, 64105704), (3, 42737136), (4, 32052852), (6, 21368568), (8, 16026426), (9, 14245712), (12, 10684284), (13, 9862416), (16, 8013213), (18, 7122856), (24, 5342142), (26, 4931208), (36, 3561428), (39, 3287472), (48, 2671071), (52, 2465604), (72, 1780714), (78, 1643736), (104, 1232802), (117, 1095824), (144, 890357), (156, 821868), (208, 616401), (234, 547912), (312, 410934), (468, 273956), (624, 205467), (936, 136978), (1872, 68489)]