123438007

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 166212000

約数和(自身を除く): 42773993

約数列:

[1, 7, 11, 29, 49, 53, 77, 149, 203, 319, 371, 539, 583, 1043, 1421, 1537, 1639, 2233, 2597, 4081, 4321, 7301, 7897, 10759, 11473, 15631, 16907, 28567, 30247, 47531, 55279, 75313, 80311, 86867, 118349, 211729, 229013, 332717, 386953, 608069, 828443, 1603091, 2329019, 2519143, 4256483, 11221637, 17634001, 123438007]

約数ペア:

[(1, 123438007), (7, 17634001), (11, 11221637), (29, 4256483), (49, 2519143), (53, 2329019), (77, 1603091), (149, 828443), (203, 608069), (319, 386953), (371, 332717), (539, 229013), (583, 211729), (1043, 118349), (1421, 86867), (1537, 80311), (1639, 75313), (2233, 55279), (2597, 47531), (4081, 30247), (4321, 28567), (7301, 16907), (7897, 15631), (10759, 11473)]