260018979

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 418480128

約数和(自身を除く): 158461149

約数列:

[1, 3, 11, 23, 31, 33, 43, 69, 93, 129, 253, 257, 341, 473, 713, 759, 771, 989, 1023, 1333, 1419, 2139, 2827, 2967, 3999, 5911, 7843, 7967, 8481, 10879, 11051, 14663, 17733, 23529, 23901, 30659, 32637, 33153, 43989, 65021, 87637, 91977, 121561, 183241, 195063, 254173, 262911, 337249, 342581, 364683, 549723, 762519, 1011747, 1027743, 2015651, 2795903, 3768391, 6046953, 7879363, 8387709, 11305173, 23638089, 86672993, 260018979]

約数ペア:

[(1, 260018979), (3, 86672993), (11, 23638089), (23, 11305173), (31, 8387709), (33, 7879363), (43, 6046953), (69, 3768391), (93, 2795903), (129, 2015651), (253, 1027743), (257, 1011747), (341, 762519), (473, 549723), (713, 364683), (759, 342581), (771, 337249), (989, 262911), (1023, 254173), (1333, 195063), (1419, 183241), (2139, 121561), (2827, 91977), (2967, 87637), (3999, 65021), (5911, 43989), (7843, 33153), (7967, 32637), (8481, 30659), (10879, 23901), (11051, 23529), (14663, 17733)]