138578512

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{503}}^1$

素因数の和:835

約数の個数: 40

約数和(自身を含む): 274107456

約数和(自身を除く): 135528944

約数列:

[1, 2, 4, 8, 16, 67, 134, 257, 268, 503, 514, 536, 1006, 1028, 1072, 2012, 2056, 4024, 4112, 8048, 17219, 33701, 34438, 67402, 68876, 129271, 134804, 137752, 258542, 269608, 275504, 517084, 539216, 1034168, 2068336, 8661157, 17322314, 34644628, 69289256, 138578512]

約数ペア:

[(1, 138578512), (2, 69289256), (4, 34644628), (8, 17322314), (16, 8661157), (67, 2068336), (134, 1034168), (257, 539216), (268, 517084), (503, 275504), (514, 269608), (536, 258542), (1006, 137752), (1028, 134804), (1072, 129271), (2012, 68876), (2056, 67402), (4024, 34438), (4112, 33701), (8048, 17219)]