256072124

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12409}}^1$

素因数の和:12498

約数の個数: 48

約数和(自身を含む): 567087360

約数和(自身を除く): 311015236

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 67, 77, 134, 154, 268, 308, 469, 737, 938, 1474, 1876, 2948, 5159, 10318, 12409, 20636, 24818, 49636, 86863, 136499, 173726, 272998, 347452, 545996, 831403, 955493, 1662806, 1910986, 3325612, 3821972, 5819821, 9145433, 11639642, 18290866, 23279284, 36581732, 64018031, 128036062, 256072124]

約数ペア:

[(1, 256072124), (2, 128036062), (4, 64018031), (7, 36581732), (11, 23279284), (14, 18290866), (22, 11639642), (28, 9145433), (44, 5819821), (67, 3821972), (77, 3325612), (134, 1910986), (154, 1662806), (268, 955493), (308, 831403), (469, 545996), (737, 347452), (938, 272998), (1474, 173726), (1876, 136499), (2948, 86863), (5159, 49636), (10318, 24818), (12409, 20636)]