261235012528

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2033527}}^1$

素因数の和:2033610

約数の個数: 80

約数和(自身を含む): 613246971904

約数和(自身を除く): 352011959376

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 37, 56, 62, 74, 112, 124, 148, 217, 248, 259, 296, 434, 496, 518, 592, 868, 1036, 1147, 1736, 2072, 2294, 3472, 4144, 4588, 8029, 9176, 16058, 18352, 32116, 64232, 128464, 2033527, 4067054, 8134108, 14234689, 16268216, 28469378, 32536432, 56938756, 63039337, 75240499, 113877512, 126078674, 150480998, 227755024, 252157348, 300961996, 441275359, 504314696, 526683493, 601923992, 882550718, 1008629392, 1053366986, 1203847984, 1765101436, 2106733972, 2332455469, 3530202872, 4213467944, 4664910938, 7060405744, 8426935888, 9329821876, 16327188283, 18659643752, 32654376566, 37319287504, 65308753132, 130617506264, 261235012528]

約数ペア:

[(1, 261235012528), (2, 130617506264), (4, 65308753132), (7, 37319287504), (8, 32654376566), (14, 18659643752), (16, 16327188283), (28, 9329821876), (31, 8426935888), (37, 7060405744), (56, 4664910938), (62, 4213467944), (74, 3530202872), (112, 2332455469), (124, 2106733972), (148, 1765101436), (217, 1203847984), (248, 1053366986), (259, 1008629392), (296, 882550718), (434, 601923992), (496, 526683493), (518, 504314696), (592, 441275359), (868, 300961996), (1036, 252157348), (1147, 227755024), (1736, 150480998), (2072, 126078674), (2294, 113877512), (3472, 75240499), (4144, 63039337), (4588, 56938756), (8029, 32536432), (9176, 28469378), (16058, 16268216), (18352, 14234689), (32116, 8134108), (64232, 4067054), (128464, 2033527)]