128760856

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4363}}^1$

素因数の和:4424

約数の個数: 64

約数和(自身を含む): 301639680

約数和(自身を除く): 172878824

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 31, 34, 56, 62, 68, 119, 124, 136, 217, 238, 248, 434, 476, 527, 868, 952, 1054, 1736, 2108, 3689, 4216, 4363, 7378, 8726, 14756, 17452, 29512, 30541, 34904, 61082, 74171, 122164, 135253, 148342, 244328, 270506, 296684, 519197, 541012, 593368, 946771, 1038394, 1082024, 1893542, 2076788, 2299301, 3787084, 4153576, 4598602, 7574168, 9197204, 16095107, 18394408, 32190214, 64380428, 128760856]

約数ペア:

[(1, 128760856), (2, 64380428), (4, 32190214), (7, 18394408), (8, 16095107), (14, 9197204), (17, 7574168), (28, 4598602), (31, 4153576), (34, 3787084), (56, 2299301), (62, 2076788), (68, 1893542), (119, 1082024), (124, 1038394), (136, 946771), (217, 593368), (238, 541012), (248, 519197), (434, 296684), (476, 270506), (527, 244328), (868, 148342), (952, 135253), (1054, 122164), (1736, 74171), (2108, 61082), (3689, 34904), (4216, 30541), (4363, 29512), (7378, 17452), (8726, 14756)]