262840851

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:198

約数の個数: 108

約数和(自身を含む): 505919232

約数和(自身を除く): 243078381

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 49, 57, 63, 91, 117, 127, 133, 147, 171, 247, 273, 361, 381, 399, 441, 637, 741, 819, 889, 931, 1083, 1143, 1197, 1651, 1729, 1911, 2223, 2413, 2527, 2667, 2793, 3249, 4693, 4953, 5187, 5733, 6223, 7239, 7581, 8001, 8379, 11557, 12103, 14079, 14859, 15561, 16891, 17689, 18669, 21717, 22743, 31369, 32851, 34671, 36309, 42237, 45847, 50673, 53067, 56007, 80899, 94107, 98553, 104013, 108927, 118237, 137541, 152019, 159201, 219583, 229957, 242697, 282321, 295659, 320929, 354711, 412623, 596011, 658749, 689871, 728091, 962787, 1064133, 1537081, 1788033, 1976247, 2069613, 2246503, 2888361, 4172077, 4611243, 5364099, 6739509, 12516231, 13833729, 20218527, 29204539, 37548693, 87613617, 262840851]

約数ペア:

[(1, 262840851), (3, 87613617), (7, 37548693), (9, 29204539), (13, 20218527), (19, 13833729), (21, 12516231), (39, 6739509), (49, 5364099), (57, 4611243), (63, 4172077), (91, 2888361), (117, 2246503), (127, 2069613), (133, 1976247), (147, 1788033), (171, 1537081), (247, 1064133), (273, 962787), (361, 728091), (381, 689871), (399, 658749), (441, 596011), (637, 412623), (741, 354711), (819, 320929), (889, 295659), (931, 282321), (1083, 242697), (1143, 229957), (1197, 219583), (1651, 159201), (1729, 152019), (1911, 137541), (2223, 118237), (2413, 108927), (2527, 104013), (2667, 98553), (2793, 94107), (3249, 80899), (4693, 56007), (4953, 53067), (5187, 50673), (5733, 45847), (6223, 42237), (7239, 36309), (7581, 34671), (8001, 32851), (8379, 31369), (11557, 22743), (12103, 21717), (14079, 18669), (14859, 17689), (15561, 16891)]