12891688

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 25137000

約数和(自身を除く): 12245312

約数列:

[1, 2, 4, 8, 37, 74, 97, 148, 194, 296, 388, 449, 776, 898, 1796, 3589, 3592, 7178, 14356, 16613, 28712, 33226, 43553, 66452, 87106, 132904, 174212, 348424, 1611461, 3222922, 6445844, 12891688]

約数ペア:

[(1, 12891688), (2, 6445844), (4, 3222922), (8, 1611461), (37, 348424), (74, 174212), (97, 132904), (148, 87106), (194, 66452), (296, 43553), (388, 33226), (449, 28712), (776, 16613), (898, 14356), (1796, 7178), (3589, 3592)]