128864582

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{26993}}^1$

素因数の和:27044

約数の個数: 32

約数和(自身を含む): 248776704

約数和(自身を除く): 119912122

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 26993, 53986, 188951, 296923, 377902, 593846, 836783, 1673566, 2078461, 4156922, 5857481, 9204613, 11714962, 18409226, 64432291, 128864582]

約数ペア:

[(1, 128864582), (2, 64432291), (7, 18409226), (11, 11714962), (14, 9204613), (22, 5857481), (31, 4156922), (62, 2078461), (77, 1673566), (154, 836783), (217, 593846), (341, 377902), (434, 296923), (682, 188951), (2387, 53986), (4774, 26993)]