16397689

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 21897216

約数和(自身を除く): 5499527

約数列:

[1, 7, 11, 23, 47, 77, 161, 197, 253, 329, 517, 1081, 1379, 1771, 2167, 3619, 4531, 7567, 9259, 11891, 15169, 31717, 49841, 64813, 83237, 101849, 212957, 348887, 712943, 1490699, 2342527, 16397689]

約数ペア:

[(1, 16397689), (7, 2342527), (11, 1490699), (23, 712943), (47, 348887), (77, 212957), (161, 101849), (197, 83237), (253, 64813), (329, 49841), (517, 31717), (1081, 15169), (1379, 11891), (1771, 9259), (2167, 7567), (3619, 4531)]