661276368

素因数分解:

$2^4\times 3^2\times {\mathrm{233}}^1\times {\mathrm{19709}}^1$

素因数の和:19956

約数の個数: 60

約数和(自身を含む): 1858692420

約数和(自身を除く): 1197416052

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 233, 466, 699, 932, 1398, 1864, 2097, 2796, 3728, 4194, 5592, 8388, 11184, 16776, 19709, 33552, 39418, 59127, 78836, 118254, 157672, 177381, 236508, 315344, 354762, 473016, 709524, 946032, 1419048, 2838096, 4592197, 9184394, 13776591, 18368788, 27553182, 36737576, 41329773, 55106364, 73475152, 82659546, 110212728, 165319092, 220425456, 330638184, 661276368]

約数ペア:

[(1, 661276368), (2, 330638184), (3, 220425456), (4, 165319092), (6, 110212728), (8, 82659546), (9, 73475152), (12, 55106364), (16, 41329773), (18, 36737576), (24, 27553182), (36, 18368788), (48, 13776591), (72, 9184394), (144, 4592197), (233, 2838096), (466, 1419048), (699, 946032), (932, 709524), (1398, 473016), (1864, 354762), (2097, 315344), (2796, 236508), (3728, 177381), (4194, 157672), (5592, 118254), (8388, 78836), (11184, 59127), (16776, 39418), (19709, 33552)]