155693923

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 217347840

約数和(自身を除く): 61653917

約数列:

[1, 7, 11, 19, 23, 49, 77, 133, 161, 209, 253, 437, 539, 661, 931, 1127, 1463, 1771, 3059, 4627, 4807, 7271, 10241, 12397, 12559, 15203, 21413, 32389, 33649, 50897, 87913, 106421, 138149, 167233, 235543, 288857, 356279, 615391, 744947, 967043, 1170631, 2021999, 3177427, 6769301, 8194417, 14153993, 22241989, 155693923]

約数ペア:

[(1, 155693923), (7, 22241989), (11, 14153993), (19, 8194417), (23, 6769301), (49, 3177427), (77, 2021999), (133, 1170631), (161, 967043), (209, 744947), (253, 615391), (437, 356279), (539, 288857), (661, 235543), (931, 167233), (1127, 138149), (1463, 106421), (1771, 87913), (3059, 50897), (4627, 33649), (4807, 32389), (7271, 21413), (10241, 15203), (12397, 12559)]