12921488

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{6359}}^1$

素因数の和:6494

約数の個数: 20

約数和(自身を含む): 25236480

約数和(自身を除く): 12314992

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 6359, 12718, 25436, 50872, 101744, 807593, 1615186, 3230372, 6460744, 12921488]

約数ペア:

[(1, 12921488), (2, 6460744), (4, 3230372), (8, 1615186), (16, 807593), (127, 101744), (254, 50872), (508, 25436), (1016, 12718), (2032, 6359)]