256537734

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{11423}}^1$

素因数の和:11644

約数の個数: 32

約数和(自身を含む): 542868480

約数和(自身を除く): 286330746

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 197, 394, 591, 1182, 3743, 7486, 11229, 11423, 22458, 22846, 34269, 68538, 217037, 434074, 651111, 1302222, 2250331, 4500662, 6750993, 13501986, 42756289, 85512578, 128268867, 256537734]

約数ペア:

[(1, 256537734), (2, 128268867), (3, 85512578), (6, 42756289), (19, 13501986), (38, 6750993), (57, 4500662), (114, 2250331), (197, 1302222), (394, 651111), (591, 434074), (1182, 217037), (3743, 68538), (7486, 34269), (11229, 22846), (11423, 22458)]