656671484

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{442501}}^1$

素因数の和:442565

約数の個数: 24

約数和(自身を含む): 1338126048

約数和(自身を除く): 681454564

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 442501, 885002, 1770004, 3097507, 6195014, 12390028, 23452553, 46905106, 93810212, 164167871, 328335742, 656671484]

約数ペア:

[(1, 656671484), (2, 328335742), (4, 164167871), (7, 93810212), (14, 46905106), (28, 23452553), (53, 12390028), (106, 6195014), (212, 3097507), (371, 1770004), (742, 885002), (1484, 442501)]