1279959142

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1\times {\mathrm{317}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 2431005696

約数和(自身を除く): 1151046554

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 167, 314, 317, 334, 634, 1099, 1169, 1727, 1837, 2198, 2219, 2338, 3454, 3487, 3674, 4438, 6974, 12089, 12859, 24178, 24409, 25718, 26219, 48818, 49769, 52438, 52939, 99538, 105878, 183533, 288409, 348383, 367066, 370573, 547459, 576818, 582329, 696766, 741146, 1094918, 1164658, 2018863, 3832213, 4037726, 4076303, 7664426, 8152606, 8311423, 16622846, 58179961, 91425653, 116359922, 182851306, 639979571, 1279959142]

約数ペア:

[(1, 1279959142), (2, 639979571), (7, 182851306), (11, 116359922), (14, 91425653), (22, 58179961), (77, 16622846), (154, 8311423), (157, 8152606), (167, 7664426), (314, 4076303), (317, 4037726), (334, 3832213), (634, 2018863), (1099, 1164658), (1169, 1094918), (1727, 741146), (1837, 696766), (2198, 582329), (2219, 576818), (2338, 547459), (3454, 370573), (3487, 367066), (3674, 348383), (4438, 288409), (6974, 183533), (12089, 105878), (12859, 99538), (24178, 52939), (24409, 52438), (25718, 49769), (26219, 48818)]