131415844

素因数分解:

$2^2\times 7^2\times {\mathrm{670489}}^1$

素因数の和:670507

約数の個数: 18

約数和(自身を含む): 267525510

約数和(自身を除く): 136109666

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 670489, 1340978, 2681956, 4693423, 9386846, 18773692, 32853961, 65707922, 131415844]

約数ペア:

[(1, 131415844), (2, 65707922), (4, 32853961), (7, 18773692), (14, 9386846), (28, 4693423), (49, 2681956), (98, 1340978), (196, 670489)]