123778198

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{12109}}^1$

素因数の和:12399

約数の個数: 16

約数和(自身を含む): 196182000

約数和(自身を除く): 72403802

約数列:

[1, 2, 19, 38, 269, 538, 5111, 10222, 12109, 24218, 230071, 460142, 3257321, 6514642, 61889099, 123778198]

約数ペア:

[(1, 123778198), (2, 61889099), (19, 6514642), (38, 3257321), (269, 460142), (538, 230071), (5111, 24218), (10222, 12109)]