90979966

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2281}}^1$

素因数の和:2345

約数の個数: 48

約数和(自身を含む): 177941232

約数和(自身を除く): 86961266

約数列:

[1, 2, 7, 11, 14, 22, 37, 49, 74, 77, 98, 154, 259, 407, 518, 539, 814, 1078, 1813, 2281, 2849, 3626, 4562, 5698, 15967, 19943, 25091, 31934, 39886, 50182, 84397, 111769, 168794, 175637, 223538, 351274, 590779, 928367, 1181558, 1229459, 1856734, 2458918, 4135453, 6498569, 8270906, 12997138, 45489983, 90979966]

約数ペア:

[(1, 90979966), (2, 45489983), (7, 12997138), (11, 8270906), (14, 6498569), (22, 4135453), (37, 2458918), (49, 1856734), (74, 1229459), (77, 1181558), (98, 928367), (154, 590779), (259, 351274), (407, 223538), (518, 175637), (539, 168794), (814, 111769), (1078, 84397), (1813, 50182), (2281, 39886), (2849, 31934), (3626, 25091), (4562, 19943), (5698, 15967)]