138045215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{367}}^1\times {\mathrm{977}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 207304704

約数和(自身を除く): 69259489

約数列:

[1, 5, 7, 11, 35, 55, 77, 367, 385, 977, 1835, 2569, 4037, 4885, 6839, 10747, 12845, 20185, 28259, 34195, 53735, 75229, 141295, 358559, 376145, 1792795, 2509913, 3944149, 12549565, 19720745, 27609043, 138045215]

約数ペア:

[(1, 138045215), (5, 27609043), (7, 19720745), (11, 12549565), (35, 3944149), (55, 2509913), (77, 1792795), (367, 376145), (385, 358559), (977, 141295), (1835, 75229), (2569, 53735), (4037, 34195), (4885, 28259), (6839, 20185), (10747, 12845)]