686643068

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{1487}}^1\times {\mathrm{1723}}^1$

素因数の和:3281

約数の個数: 24

約数和(自身を含む): 1221088512

約数和(自身を除く): 534445444

約数列:

[1, 2, 4, 67, 134, 268, 1487, 1723, 2974, 3446, 5948, 6892, 99629, 115441, 199258, 230882, 398516, 461764, 2562101, 5124202, 10248404, 171660767, 343321534, 686643068]

約数ペア:

[(1, 686643068), (2, 343321534), (4, 171660767), (67, 10248404), (134, 5124202), (268, 2562101), (1487, 461764), (1723, 398516), (2974, 230882), (3446, 199258), (5948, 115441), (6892, 99629)]