15661894

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 23874048

約数和(自身を除く): 8212154

約数列:

[1, 2, 127, 197, 254, 313, 394, 626, 25019, 39751, 50038, 61661, 79502, 123322, 7830947, 15661894]

約数ペア:

[(1, 15661894), (2, 7830947), (127, 123322), (197, 79502), (254, 61661), (313, 50038), (394, 39751), (626, 25019)]