1388895824

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{7151}}^1$

素因数の和:7419

約数の個数: 40

約数和(自身を含む): 2749228800

約数和(自身を除く): 1360332976

約数列:

[1, 2, 4, 8, 16, 61, 122, 199, 244, 398, 488, 796, 976, 1592, 3184, 7151, 12139, 14302, 24278, 28604, 48556, 57208, 97112, 114416, 194224, 436211, 872422, 1423049, 1744844, 2846098, 3489688, 5692196, 6979376, 11384392, 22768784, 86805989, 173611978, 347223956, 694447912, 1388895824]

約数ペア:

[(1, 1388895824), (2, 694447912), (4, 347223956), (8, 173611978), (16, 86805989), (61, 22768784), (122, 11384392), (199, 6979376), (244, 5692196), (398, 3489688), (488, 2846098), (796, 1744844), (976, 1423049), (1592, 872422), (3184, 436211), (7151, 194224), (12139, 114416), (14302, 97112), (24278, 57208), (28604, 48556)]