81616064

素因数分解:

$2^6\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:733

約数の個数: 56

約数和(自身を含む): 169517568

約数和(自身を除く): 87901504

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 64, 86, 94, 172, 188, 344, 376, 631, 688, 752, 1262, 1376, 1504, 2021, 2524, 2752, 3008, 4042, 5048, 8084, 10096, 16168, 20192, 27133, 29657, 32336, 40384, 54266, 59314, 64672, 108532, 118628, 129344, 217064, 237256, 434128, 474512, 868256, 949024, 1275251, 1736512, 1898048, 2550502, 5101004, 10202008, 20404016, 40808032, 81616064]

約数ペア:

[(1, 81616064), (2, 40808032), (4, 20404016), (8, 10202008), (16, 5101004), (32, 2550502), (43, 1898048), (47, 1736512), (64, 1275251), (86, 949024), (94, 868256), (172, 474512), (188, 434128), (344, 237256), (376, 217064), (631, 129344), (688, 118628), (752, 108532), (1262, 64672), (1376, 59314), (1504, 54266), (2021, 40384), (2524, 32336), (2752, 29657), (3008, 27133), (4042, 20192), (5048, 16168), (8084, 10096)]