22241989

素因数分解:

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

素因数の和:721

約数の個数: 32

約数和(自身を含む): 30504960

約数和(自身を除く): 8262971

約数列:

[1, 7, 11, 19, 23, 77, 133, 161, 209, 253, 437, 661, 1463, 1771, 3059, 4627, 4807, 7271, 12559, 15203, 33649, 50897, 87913, 106421, 138149, 167233, 288857, 967043, 1170631, 2021999, 3177427, 22241989]

約数ペア:

[(1, 22241989), (7, 3177427), (11, 2021999), (19, 1170631), (23, 967043), (77, 288857), (133, 167233), (161, 138149), (209, 106421), (253, 87913), (437, 50897), (661, 33649), (1463, 15203), (1771, 12559), (3059, 7271), (4627, 4807)]