31270928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1009}}^1$

素因数の和:1179

約数の個数: 40

約数和(自身を含む): 65751000

約数和(自身を除く): 34480072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 149, 208, 298, 596, 1009, 1192, 1937, 2018, 2384, 3874, 4036, 7748, 8072, 13117, 15496, 16144, 26234, 30992, 52468, 104936, 150341, 209872, 300682, 601364, 1202728, 1954433, 2405456, 3908866, 7817732, 15635464, 31270928]

約数ペア:

[(1, 31270928), (2, 15635464), (4, 7817732), (8, 3908866), (13, 2405456), (16, 1954433), (26, 1202728), (52, 601364), (104, 300682), (149, 209872), (208, 150341), (298, 104936), (596, 52468), (1009, 30992), (1192, 26234), (1937, 16144), (2018, 15496), (2384, 13117), (3874, 8072), (4036, 7748)]