261291272

素因数分解:

$2^3\times {\mathrm{11}}^3\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 550229760

約数和(自身を除く): 288938488

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 88, 106, 121, 212, 242, 424, 463, 484, 583, 926, 968, 1166, 1331, 1852, 2332, 2662, 3704, 4664, 5093, 5324, 6413, 10186, 10648, 12826, 20372, 24539, 25652, 40744, 49078, 51304, 56023, 70543, 98156, 112046, 141086, 196312, 224092, 269929, 282172, 448184, 539858, 564344, 616253, 1079716, 1232506, 2159432, 2465012, 2969219, 4930024, 5938438, 11876876, 23753752, 32661409, 65322818, 130645636, 261291272]

約数ペア:

[(1, 261291272), (2, 130645636), (4, 65322818), (8, 32661409), (11, 23753752), (22, 11876876), (44, 5938438), (53, 4930024), (88, 2969219), (106, 2465012), (121, 2159432), (212, 1232506), (242, 1079716), (424, 616253), (463, 564344), (484, 539858), (583, 448184), (926, 282172), (968, 269929), (1166, 224092), (1331, 196312), (1852, 141086), (2332, 112046), (2662, 98156), (3704, 70543), (4664, 56023), (5093, 51304), (5324, 49078), (6413, 40744), (10186, 25652), (10648, 24539), (12826, 20372)]