28078518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359981}}^1$

素因数の和:359999

約数の個数: 16

約数和(自身を含む): 60476976

約数和(自身を除く): 32398458

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 359981, 719962, 1079943, 2159886, 4679753, 9359506, 14039259, 28078518]

約数ペア:

[(1, 28078518), (2, 14039259), (3, 9359506), (6, 4679753), (13, 2159886), (26, 1079943), (39, 719962), (78, 359981)]