272981324

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:639

約数の個数: 72

約数和(自身を含む): 604628640

約数和(自身を除く): 331647316

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 197, 242, 308, 394, 409, 484, 788, 818, 847, 1379, 1636, 1694, 2167, 2758, 2863, 3388, 4334, 4499, 5516, 5726, 8668, 8998, 11452, 15169, 17996, 23837, 30338, 31493, 47674, 49489, 60676, 62986, 80573, 95348, 98978, 125972, 161146, 166859, 197956, 322292, 333718, 346423, 564011, 667436, 692846, 886303, 1128022, 1385692, 1772606, 2256044, 3545212, 6204121, 9749333, 12408242, 19498666, 24816484, 38997332, 68245331, 136490662, 272981324]

約数ペア:

[(1, 272981324), (2, 136490662), (4, 68245331), (7, 38997332), (11, 24816484), (14, 19498666), (22, 12408242), (28, 9749333), (44, 6204121), (77, 3545212), (121, 2256044), (154, 1772606), (197, 1385692), (242, 1128022), (308, 886303), (394, 692846), (409, 667436), (484, 564011), (788, 346423), (818, 333718), (847, 322292), (1379, 197956), (1636, 166859), (1694, 161146), (2167, 125972), (2758, 98978), (2863, 95348), (3388, 80573), (4334, 62986), (4499, 60676), (5516, 49489), (5726, 47674), (8668, 31493), (8998, 30338), (11452, 23837), (15169, 17996)]