157217618

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:402

約数の個数: 32

約数和(自身を含む): 246650880

約数和(自身を除く): 89433262

約数列:

[1, 2, 61, 73, 122, 127, 139, 146, 254, 278, 4453, 7747, 8479, 8906, 9271, 10147, 15494, 16958, 17653, 18542, 20294, 35306, 565531, 618967, 1076833, 1131062, 1237934, 1288669, 2153666, 2577338, 78608809, 157217618]

約数ペア:

[(1, 157217618), (2, 78608809), (61, 2577338), (73, 2153666), (122, 1288669), (127, 1237934), (139, 1131062), (146, 1076833), (254, 618967), (278, 565531), (4453, 35306), (7747, 20294), (8479, 18542), (8906, 17653), (9271, 16958), (10147, 15494)]