388630408

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{7243}}^1$

素因数の和:7621

約数の個数: 32

約数和(自身を含む): 769312800

約数和(自身を除く): 380682392

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 353, 706, 1412, 2824, 6707, 7243, 13414, 14486, 26828, 28972, 53656, 57944, 137617, 275234, 550468, 1100936, 2556779, 5113558, 10227116, 20454232, 48578801, 97157602, 194315204, 388630408]

約数ペア:

[(1, 388630408), (2, 194315204), (4, 97157602), (8, 48578801), (19, 20454232), (38, 10227116), (76, 5113558), (152, 2556779), (353, 1100936), (706, 550468), (1412, 275234), (2824, 137617), (6707, 57944), (7243, 53656), (13414, 28972), (14486, 26828)]