1311126158888

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^2\times {\mathrm{19791181}}^1$

素因数の和:19791227

約数の個数: 72

約数和(自身を含む): 3096627291630

約数和(自身を除く): 1785501132742

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 169, 182, 196, 338, 364, 392, 637, 676, 728, 1183, 1274, 1352, 2366, 2548, 4732, 5096, 8281, 9464, 16562, 33124, 66248, 19791181, 39582362, 79164724, 138538267, 158329448, 257285353, 277076534, 514570706, 554153068, 969767869, 1029141412, 1108306136, 1800997471, 1939535738, 2058282824, 3344709589, 3601994942, 3879071476, 6689419178, 7203989884, 7758142952, 12606982297, 13378838356, 14407979768, 23412967123, 25213964594, 26757676712, 46825934246, 50427929188, 93651868492, 100855858376, 163890769861, 187303736984, 327781539722, 655563079444, 1311126158888]

約数ペア:

[(1, 1311126158888), (2, 655563079444), (4, 327781539722), (7, 187303736984), (8, 163890769861), (13, 100855858376), (14, 93651868492), (26, 50427929188), (28, 46825934246), (49, 26757676712), (52, 25213964594), (56, 23412967123), (91, 14407979768), (98, 13378838356), (104, 12606982297), (169, 7758142952), (182, 7203989884), (196, 6689419178), (338, 3879071476), (364, 3601994942), (392, 3344709589), (637, 2058282824), (676, 1939535738), (728, 1800997471), (1183, 1108306136), (1274, 1029141412), (1352, 969767869), (2366, 554153068), (2548, 514570706), (4732, 277076534), (5096, 257285353), (8281, 158329448), (9464, 138538267), (16562, 79164724), (33124, 39582362), (66248, 19791181)]