49991567356

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{388991}}^1$

素因数の和:389122

約数の個数: 36

約数和(自身を含む): 93369749760

約数和(自身を除く): 43378182404

約数列:

[1, 2, 4, 19, 38, 76, 89, 178, 356, 361, 722, 1444, 1691, 3382, 6764, 32129, 64258, 128516, 388991, 777982, 1555964, 7390829, 14781658, 29563316, 34620199, 69240398, 138480796, 140425751, 280851502, 561703004, 657783781, 1315567562, 2631135124, 12497891839, 24995783678, 49991567356]

約数ペア:

[(1, 49991567356), (2, 24995783678), (4, 12497891839), (19, 2631135124), (38, 1315567562), (76, 657783781), (89, 561703004), (178, 280851502), (356, 140425751), (361, 138480796), (722, 69240398), (1444, 34620199), (1691, 29563316), (3382, 14781658), (6764, 7390829), (32129, 1555964), (64258, 777982), (128516, 388991)]