1640390975434

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{227138047}}^1$

素因数の和:227138229

約数の個数: 16

約数和(自身を含む): 2583922434048

約数和(自身を除く): 943531458614

約数列:

[1, 2, 23, 46, 157, 314, 3611, 7222, 227138047, 454276094, 5224175081, 10448350162, 35660673379, 71321346758, 820195487717, 1640390975434]

約数ペア:

[(1, 1640390975434), (2, 820195487717), (23, 71321346758), (46, 35660673379), (157, 10448350162), (314, 5224175081), (3611, 454276094), (7222, 227138047)]