291248816

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{71}}^2\times {\mathrm{157}}^1$

素因数の和:330

約数の個数: 60

約数和(自身を含む): 601043376

約数和(自身を除く): 309794560

約数列:

[1, 2, 4, 8, 16, 23, 46, 71, 92, 142, 157, 184, 284, 314, 368, 568, 628, 1136, 1256, 1633, 2512, 3266, 3611, 5041, 6532, 7222, 10082, 11147, 13064, 14444, 20164, 22294, 26128, 28888, 40328, 44588, 57776, 80656, 89176, 115943, 178352, 231886, 256381, 463772, 512762, 791437, 927544, 1025524, 1582874, 1855088, 2051048, 3165748, 4102096, 6331496, 12662992, 18203051, 36406102, 72812204, 145624408, 291248816]

約数ペア:

[(1, 291248816), (2, 145624408), (4, 72812204), (8, 36406102), (16, 18203051), (23, 12662992), (46, 6331496), (71, 4102096), (92, 3165748), (142, 2051048), (157, 1855088), (184, 1582874), (284, 1025524), (314, 927544), (368, 791437), (568, 512762), (628, 463772), (1136, 256381), (1256, 231886), (1633, 178352), (2512, 115943), (3266, 89176), (3611, 80656), (5041, 57776), (6532, 44588), (7222, 40328), (10082, 28888), (11147, 26128), (13064, 22294), (14444, 20164)]