2051981672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{3613}}^1$

素因数の和:3802

約数の個数: 64

約数和(自身を含む): 4274350080

約数和(自身を除く): 2222368408

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 127, 172, 254, 344, 508, 559, 1016, 1118, 1651, 2236, 3302, 3613, 4472, 5461, 6604, 7226, 10922, 13208, 14452, 21844, 28904, 43688, 46969, 70993, 93938, 141986, 155359, 187876, 283972, 310718, 375752, 458851, 567944, 621436, 917702, 1242872, 1835404, 2019667, 3670808, 4039334, 5965063, 8078668, 11930126, 16157336, 19730593, 23860252, 39461186, 47720504, 78922372, 157844744, 256497709, 512995418, 1025990836, 2051981672]

約数ペア:

[(1, 2051981672), (2, 1025990836), (4, 512995418), (8, 256497709), (13, 157844744), (26, 78922372), (43, 47720504), (52, 39461186), (86, 23860252), (104, 19730593), (127, 16157336), (172, 11930126), (254, 8078668), (344, 5965063), (508, 4039334), (559, 3670808), (1016, 2019667), (1118, 1835404), (1651, 1242872), (2236, 917702), (3302, 621436), (3613, 567944), (4472, 458851), (5461, 375752), (6604, 310718), (7226, 283972), (10922, 187876), (13208, 155359), (14452, 141986), (21844, 93938), (28904, 70993), (43688, 46969)]