855720688

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{367}}^1\times {\mathrm{2389}}^1$

素因数の和:2825

約数の個数: 40

約数和(自身を含む): 1690437440

約数和(自身を除く): 834716752

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 367, 488, 734, 976, 1468, 2389, 2936, 4778, 5872, 9556, 19112, 22387, 38224, 44774, 89548, 145729, 179096, 291458, 358192, 582916, 876763, 1165832, 1753526, 2331664, 3507052, 7014104, 14028208, 53482543, 106965086, 213930172, 427860344, 855720688]

約数ペア:

[(1, 855720688), (2, 427860344), (4, 213930172), (8, 106965086), (16, 53482543), (61, 14028208), (122, 7014104), (244, 3507052), (367, 2331664), (488, 1753526), (734, 1165832), (976, 876763), (1468, 582916), (2389, 358192), (2936, 291458), (4778, 179096), (5872, 145729), (9556, 89548), (19112, 44774), (22387, 38224)]