138738418

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{757}}^1$

素因数の和:851

約数の個数: 64

約数和(自身を含む): 275063040

約数和(自身を除く): 136324622

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 53, 91, 106, 133, 182, 247, 266, 371, 494, 689, 742, 757, 1007, 1378, 1514, 1729, 2014, 3458, 4823, 5299, 7049, 9646, 9841, 10598, 13091, 14098, 14383, 19682, 26182, 28766, 40121, 68887, 80242, 91637, 100681, 137774, 183274, 186979, 201362, 280847, 373958, 521573, 561694, 762299, 1043146, 1308853, 1524598, 2617706, 3651011, 5336093, 7302022, 9909887, 10672186, 19819774, 69369209, 138738418]

約数ペア:

[(1, 138738418), (2, 69369209), (7, 19819774), (13, 10672186), (14, 9909887), (19, 7302022), (26, 5336093), (38, 3651011), (53, 2617706), (91, 1524598), (106, 1308853), (133, 1043146), (182, 762299), (247, 561694), (266, 521573), (371, 373958), (494, 280847), (689, 201362), (742, 186979), (757, 183274), (1007, 137774), (1378, 100681), (1514, 91637), (1729, 80242), (2014, 68887), (3458, 40121), (4823, 28766), (5299, 26182), (7049, 19682), (9646, 14383), (9841, 14098), (10598, 13091)]