2777236

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 6193152

約数和(自身を除く): 3415916

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 71, 77, 127, 142, 154, 254, 284, 308, 497, 508, 781, 889, 994, 1397, 1562, 1778, 1988, 2794, 3124, 3556, 5467, 5588, 9017, 9779, 10934, 18034, 19558, 21868, 36068, 39116, 63119, 99187, 126238, 198374, 252476, 396748, 694309, 1388618, 2777236]

約数ペア:

[(1, 2777236), (2, 1388618), (4, 694309), (7, 396748), (11, 252476), (14, 198374), (22, 126238), (28, 99187), (44, 63119), (71, 39116), (77, 36068), (127, 21868), (142, 19558), (154, 18034), (254, 10934), (284, 9779), (308, 9017), (497, 5588), (508, 5467), (781, 3556), (889, 3124), (994, 2794), (1397, 1988), (1562, 1778)]