1991232358577

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1277}}^1\times {\mathrm{1423}}^1$

素因数の和:2851

約数の個数: 96

約数和(自身を含む): 2688751687680

約数和(自身を除く): 697519329103

約数列:

[1, 7, 11, 19, 49, 77, 107, 133, 209, 539, 749, 931, 1177, 1277, 1423, 1463, 2033, 5243, 8239, 8939, 9961, 10241, 14047, 14231, 15653, 22363, 24263, 27037, 57673, 62573, 69727, 98329, 99617, 109571, 136639, 152261, 156541, 169841, 189259, 266893, 297407, 688303, 766997, 956473, 1065827, 1095787, 1188887, 1324813, 1503029, 1674871, 1817171, 1868251, 2081849, 2596141, 2892959, 6695311, 7460789, 10521203, 11724097, 12720197, 13077757, 14572943, 18172987, 19988881, 20250713, 28557551, 31822549, 34526249, 73648421, 82068679, 89041379, 127210909, 139922167, 141754991, 194437297, 199902857, 222757843, 241683743, 379788739, 979455169, 1361061079, 1399319999, 1559304901, 1691786201, 2138810267, 2658521173, 3694308643, 9527427553, 14971671869, 18609648211, 25860160501, 40637395073, 104801703083, 181021123507, 284461765511, 1991232358577]

約数ペア:

[(1, 1991232358577), (7, 284461765511), (11, 181021123507), (19, 104801703083), (49, 40637395073), (77, 25860160501), (107, 18609648211), (133, 14971671869), (209, 9527427553), (539, 3694308643), (749, 2658521173), (931, 2138810267), (1177, 1691786201), (1277, 1559304901), (1423, 1399319999), (1463, 1361061079), (2033, 979455169), (5243, 379788739), (8239, 241683743), (8939, 222757843), (9961, 199902857), (10241, 194437297), (14047, 141754991), (14231, 139922167), (15653, 127210909), (22363, 89041379), (24263, 82068679), (27037, 73648421), (57673, 34526249), (62573, 31822549), (69727, 28557551), (98329, 20250713), (99617, 19988881), (109571, 18172987), (136639, 14572943), (152261, 13077757), (156541, 12720197), (169841, 11724097), (189259, 10521203), (266893, 7460789), (297407, 6695311), (688303, 2892959), (766997, 2596141), (956473, 2081849), (1065827, 1868251), (1095787, 1817171), (1188887, 1674871), (1324813, 1503029)]