239271608

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{349}}^1\times {\mathrm{1993}}^1$

素因数の和:2391

約数の個数: 32

約数和(自身を含む): 460614000

約数和(自身を除く): 221342392

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 349, 698, 1396, 1993, 2792, 3986, 7972, 15007, 15944, 30014, 60028, 85699, 120056, 171398, 342796, 685592, 695557, 1391114, 2782228, 5564456, 29908951, 59817902, 119635804, 239271608]

約数ペア:

[(1, 239271608), (2, 119635804), (4, 59817902), (8, 29908951), (43, 5564456), (86, 2782228), (172, 1391114), (344, 695557), (349, 685592), (698, 342796), (1396, 171398), (1993, 120056), (2792, 85699), (3986, 60028), (7972, 30014), (15007, 15944)]