28279968178

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{16141}}^1$

素因数の和:16559

約数の個数: 64

約数和(自身を含む): 54745399296

約数和(自身を除く): 26465431118

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 367, 434, 682, 734, 2387, 2569, 4037, 4774, 5138, 8074, 11377, 16141, 22754, 28259, 32282, 56518, 79639, 112987, 125147, 159278, 177551, 225974, 250294, 355102, 500371, 876029, 1000742, 1242857, 1752058, 2485714, 3502597, 5504081, 5923747, 7005194, 11008162, 11847494, 38528567, 41466229, 65161217, 77057134, 82932458, 130322434, 183636157, 367272314, 456128519, 912257038, 1285453099, 2019997727, 2570906198, 4039995454, 14139984089, 28279968178]

約数ペア:

[(1, 28279968178), (2, 14139984089), (7, 4039995454), (11, 2570906198), (14, 2019997727), (22, 1285453099), (31, 912257038), (62, 456128519), (77, 367272314), (154, 183636157), (217, 130322434), (341, 82932458), (367, 77057134), (434, 65161217), (682, 41466229), (734, 38528567), (2387, 11847494), (2569, 11008162), (4037, 7005194), (4774, 5923747), (5138, 5504081), (8074, 3502597), (11377, 2485714), (16141, 1752058), (22754, 1242857), (28259, 1000742), (32282, 876029), (56518, 500371), (79639, 355102), (112987, 250294), (125147, 225974), (159278, 177551)]