81907088

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 94867312

約数列:

[1, 2, 4, 8, 16, 17, 34, 43, 47, 68, 86, 94, 136, 149, 172, 188, 272, 298, 344, 376, 596, 688, 731, 752, 799, 1192, 1462, 1598, 2021, 2384, 2533, 2924, 3196, 4042, 5066, 5848, 6392, 6407, 7003, 8084, 10132, 11696, 12784, 12814, 14006, 16168, 20264, 25628, 28012, 32336, 34357, 40528, 51256, 56024, 68714, 102512, 108919, 112048, 119051, 137428, 217838, 238102, 274856, 301129, 435676, 476204, 549712, 602258, 871352, 952408, 1204516, 1742704, 1904816, 2409032, 4818064, 5119193, 10238386, 20476772, 40953544, 81907088]

約数ペア:

[(1, 81907088), (2, 40953544), (4, 20476772), (8, 10238386), (16, 5119193), (17, 4818064), (34, 2409032), (43, 1904816), (47, 1742704), (68, 1204516), (86, 952408), (94, 871352), (136, 602258), (149, 549712), (172, 476204), (188, 435676), (272, 301129), (298, 274856), (344, 238102), (376, 217838), (596, 137428), (688, 119051), (731, 112048), (752, 108919), (799, 102512), (1192, 68714), (1462, 56024), (1598, 51256), (2021, 40528), (2384, 34357), (2533, 32336), (2924, 28012), (3196, 25628), (4042, 20264), (5066, 16168), (5848, 14006), (6392, 12814), (6407, 12784), (7003, 11696), (8084, 10132)]