30987964

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{26993}}^1$

素因数の和:27045

約数の個数: 24

約数和(自身を含む): 63489888

約数和(自身を除く): 32501924

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 26993, 53986, 107972, 188951, 377902, 755804, 1106713, 2213426, 4426852, 7746991, 15493982, 30987964]

約数ペア:

[(1, 30987964), (2, 15493982), (4, 7746991), (7, 4426852), (14, 2213426), (28, 1106713), (41, 755804), (82, 377902), (164, 188951), (287, 107972), (574, 53986), (1148, 26993)]