138850418

素因数分解:

$2^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 251472600

約数和(自身を除く): 112622182

約数列:

[1, 2, 7, 14, 37, 49, 74, 98, 149, 257, 259, 298, 514, 518, 1043, 1799, 1813, 2086, 3598, 3626, 5513, 7301, 9509, 11026, 12593, 14602, 19018, 25186, 38293, 38591, 66563, 76586, 77182, 133126, 268051, 270137, 465941, 536102, 540274, 931882, 1416841, 1876357, 2833682, 3752714, 9917887, 19835774, 69425209, 138850418]

約数ペア:

[(1, 138850418), (2, 69425209), (7, 19835774), (14, 9917887), (37, 3752714), (49, 2833682), (74, 1876357), (98, 1416841), (149, 931882), (257, 540274), (259, 536102), (298, 465941), (514, 270137), (518, 268051), (1043, 133126), (1799, 77182), (1813, 76586), (2086, 66563), (3598, 38591), (3626, 38293), (5513, 25186), (7301, 19018), (9509, 14602), (11026, 12593)]