215481104

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{389}}^2$

素因数の和:875

約数の個数: 30

約数和(自身を含む): 423273690

約数和(自身を除く): 207792586

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 389, 712, 778, 1424, 1556, 3112, 6224, 34621, 69242, 138484, 151321, 276968, 302642, 553936, 605284, 1210568, 2421136, 13467569, 26935138, 53870276, 107740552, 215481104]

約数ペア:

[(1, 215481104), (2, 107740552), (4, 53870276), (8, 26935138), (16, 13467569), (89, 2421136), (178, 1210568), (356, 605284), (389, 553936), (712, 302642), (778, 276968), (1424, 151321), (1556, 138484), (3112, 69242), (6224, 34621)]