2491221887

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{3391}}^1$

素因数の和:3492

約数の個数: 48

約数和(自身を含む): 3340984320

約数和(自身を除く): 849762433

約数列:

[1, 7, 11, 29, 47, 49, 77, 203, 319, 329, 517, 539, 1363, 1421, 2233, 2303, 3391, 3619, 9541, 14993, 15631, 23737, 25333, 37301, 66787, 98339, 104951, 159377, 166159, 261107, 688373, 734657, 1081729, 1115639, 1753147, 1827749, 4621933, 4818611, 7572103, 7809473, 12272029, 32353531, 50841263, 53004721, 85904203, 226474717, 355888841, 2491221887]

約数ペア:

[(1, 2491221887), (7, 355888841), (11, 226474717), (29, 85904203), (47, 53004721), (49, 50841263), (77, 32353531), (203, 12272029), (319, 7809473), (329, 7572103), (517, 4818611), (539, 4621933), (1363, 1827749), (1421, 1753147), (2233, 1115639), (2303, 1081729), (3391, 734657), (3619, 688373), (9541, 261107), (14993, 166159), (15631, 159377), (23737, 104951), (25333, 98339), (37301, 66787)]