261543776879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{17477}}^1$

素因数の和:17760

約数の個数: 64

約数和(自身を含む): 351551093760

約数和(自身を除く): 90007316881

約数列:

[1, 7, 11, 19, 53, 77, 133, 193, 209, 371, 583, 1007, 1351, 1463, 2123, 3667, 4081, 7049, 10229, 11077, 14861, 17477, 25669, 40337, 71603, 77539, 112519, 122339, 192247, 194351, 282359, 332063, 787633, 926281, 1345729, 1360457, 2137861, 2324441, 3373061, 3652693, 6483967, 10189091, 14965027, 17599339, 23611427, 25568851, 37103671, 64088159, 71323637, 123195373, 178772233, 193592729, 259725697, 448617113, 704969749, 1251405631, 1355149103, 1966494563, 3396672427, 4934788243, 13765461941, 23776706989, 37363396697, 261543776879]

約数ペア:

[(1, 261543776879), (7, 37363396697), (11, 23776706989), (19, 13765461941), (53, 4934788243), (77, 3396672427), (133, 1966494563), (193, 1355149103), (209, 1251405631), (371, 704969749), (583, 448617113), (1007, 259725697), (1351, 193592729), (1463, 178772233), (2123, 123195373), (3667, 71323637), (4081, 64088159), (7049, 37103671), (10229, 25568851), (11077, 23611427), (14861, 17599339), (17477, 14965027), (25669, 10189091), (40337, 6483967), (71603, 3652693), (77539, 3373061), (112519, 2324441), (122339, 2137861), (192247, 1360457), (194351, 1345729), (282359, 926281), (332063, 787633)]