30487982

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{15667}}^1$

素因数の和:15815

約数の個数: 16

約数和(自身を含む): 52644480

約数和(自身を除く): 22156498

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 15667, 31334, 109669, 219338, 2177713, 4355426, 15243991, 30487982]

約数ペア:

[(1, 30487982), (2, 15243991), (7, 4355426), (14, 2177713), (139, 219338), (278, 109669), (973, 31334), (1946, 15667)]