397908882

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1627}}^1$

素因数の和:2292

約数の個数: 64

約数和(自身を含む): 1012746240

約数和(自身を除く): 614837358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 647, 1294, 1627, 1941, 3254, 3882, 4529, 4881, 5823, 9058, 9762, 11389, 11646, 13587, 14643, 17469, 22778, 27174, 29286, 34167, 34938, 40761, 43929, 68334, 81522, 87858, 102501, 122283, 205002, 244566, 307503, 615006, 1052669, 2105338, 3158007, 6316014, 7368683, 9474021, 14737366, 18948042, 22106049, 28422063, 44212098, 56844126, 66318147, 132636294, 198954441, 397908882]

約数ペア:

[(1, 397908882), (2, 198954441), (3, 132636294), (6, 66318147), (7, 56844126), (9, 44212098), (14, 28422063), (18, 22106049), (21, 18948042), (27, 14737366), (42, 9474021), (54, 7368683), (63, 6316014), (126, 3158007), (189, 2105338), (378, 1052669), (647, 615006), (1294, 307503), (1627, 244566), (1941, 205002), (3254, 122283), (3882, 102501), (4529, 87858), (4881, 81522), (5823, 68334), (9058, 43929), (9762, 40761), (11389, 34938), (11646, 34167), (13587, 29286), (14643, 27174), (17469, 22778)]