128399808

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{9419}}^1$

素因数の和:9505

約数の個数: 56

約数和(自身を含む): 344545920

約数和(自身を除く): 216146112

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1704, 2272, 3408, 4544, 6816, 9419, 13632, 18838, 28257, 37676, 56514, 75352, 113028, 150704, 226056, 301408, 452112, 602816, 668749, 904224, 1337498, 1808448, 2006247, 2674996, 4012494, 5349992, 8024988, 10699984, 16049976, 21399968, 32099952, 42799936, 64199904, 128399808]

約数ペア:

[(1, 128399808), (2, 64199904), (3, 42799936), (4, 32099952), (6, 21399968), (8, 16049976), (12, 10699984), (16, 8024988), (24, 5349992), (32, 4012494), (48, 2674996), (64, 2006247), (71, 1808448), (96, 1337498), (142, 904224), (192, 668749), (213, 602816), (284, 452112), (426, 301408), (568, 226056), (852, 150704), (1136, 113028), (1704, 75352), (2272, 56514), (3408, 37676), (4544, 28257), (6816, 18838), (9419, 13632)]