208581672

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{668531}}^1$

素因数の和:668553

約数の個数: 32

約数和(自身を含む): 561566880

約数和(自身を除く): 352985208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 668531, 1337062, 2005593, 2674124, 4011186, 5348248, 8022372, 8690903, 16044744, 17381806, 26072709, 34763612, 52145418, 69527224, 104290836, 208581672]

約数ペア:

[(1, 208581672), (2, 104290836), (3, 69527224), (4, 52145418), (6, 34763612), (8, 26072709), (12, 17381806), (13, 16044744), (24, 8690903), (26, 8022372), (39, 5348248), (52, 4011186), (78, 2674124), (104, 2005593), (156, 1337062), (312, 668531)]