90490192

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{991}}^1$

素因数の和:1451

約数の個数: 40

約数和(自身を含む): 189432320

約数和(自身を除く): 98942128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 439, 878, 991, 1756, 1982, 3512, 3964, 5707, 7024, 7928, 11414, 12883, 15856, 22828, 25766, 45656, 51532, 91312, 103064, 206128, 435049, 870098, 1740196, 3480392, 5655637, 6960784, 11311274, 22622548, 45245096, 90490192]

約数ペア:

[(1, 90490192), (2, 45245096), (4, 22622548), (8, 11311274), (13, 6960784), (16, 5655637), (26, 3480392), (52, 1740196), (104, 870098), (208, 435049), (439, 206128), (878, 103064), (991, 91312), (1756, 51532), (1982, 45656), (3512, 25766), (3964, 22828), (5707, 15856), (7024, 12883), (7928, 11414)]