917779616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{51307}}^1$

素因数の和:51373

約数の個数: 48

約数和(自身を含む): 1991160864

約数和(自身を除く): 1073381248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 86, 104, 172, 208, 344, 416, 559, 688, 1118, 1376, 2236, 4472, 8944, 17888, 51307, 102614, 205228, 410456, 666991, 820912, 1333982, 1641824, 2206201, 2667964, 4412402, 5335928, 8824804, 10671856, 17649608, 21343712, 28680613, 35299216, 57361226, 70598432, 114722452, 229444904, 458889808, 917779616]

約数ペア:

[(1, 917779616), (2, 458889808), (4, 229444904), (8, 114722452), (13, 70598432), (16, 57361226), (26, 35299216), (32, 28680613), (43, 21343712), (52, 17649608), (86, 10671856), (104, 8824804), (172, 5335928), (208, 4412402), (344, 2667964), (416, 2206201), (559, 1641824), (688, 1333982), (1118, 820912), (1376, 666991), (2236, 410456), (4472, 205228), (8944, 102614), (17888, 51307)]