31531627738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{39461}}^1$

素因数の和:39970

約数の個数: 32

約数和(自身を含む): 51757412112

約数和(自身を除く): 20225784374

約数列:

[1, 2, 13, 26, 73, 146, 421, 842, 949, 1898, 5473, 10946, 30733, 39461, 61466, 78922, 399529, 512993, 799058, 1025986, 2880653, 5761306, 16613081, 33226162, 37448489, 74896978, 215970053, 431940106, 1212754913, 2425509826, 15765813869, 31531627738]

約数ペア:

[(1, 31531627738), (2, 15765813869), (13, 2425509826), (26, 1212754913), (73, 431940106), (146, 215970053), (421, 74896978), (842, 37448489), (949, 33226162), (1898, 16613081), (5473, 5761306), (10946, 2880653), (30733, 1025986), (39461, 799058), (61466, 512993), (78922, 399529)]