51991453871

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{2693}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 64678629600

約数和(自身を除く): 12687175729

約数列:

[1, 7, 19, 49, 89, 133, 233, 623, 931, 1631, 1691, 2693, 4361, 4427, 11417, 11837, 18851, 20737, 30989, 51167, 82859, 131957, 145159, 216923, 239677, 358169, 394003, 627469, 1016113, 1677739, 2507183, 2758021, 4392283, 4553863, 11744173, 11921911, 19306147, 30745981, 31877041, 55844741, 83453377, 223139287, 390913187, 584173639, 1061050079, 2736392309, 7427350553, 51991453871]

約数ペア:

[(1, 51991453871), (7, 7427350553), (19, 2736392309), (49, 1061050079), (89, 584173639), (133, 390913187), (233, 223139287), (623, 83453377), (931, 55844741), (1631, 31877041), (1691, 30745981), (2693, 19306147), (4361, 11921911), (4427, 11744173), (11417, 4553863), (11837, 4392283), (18851, 2758021), (20737, 2507183), (30989, 1677739), (51167, 1016113), (82859, 627469), (131957, 394003), (145159, 358169), (216923, 239677)]