319622896

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{644401}}^1$

素因数の和:644440

約数の個数: 20

約数和(自身を含む): 639246784

約数和(自身を除く): 319623888

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 644401, 1288802, 2577604, 5155208, 10310416, 19976431, 39952862, 79905724, 159811448, 319622896]

約数ペア:

[(1, 319622896), (2, 159811448), (4, 79905724), (8, 39952862), (16, 19976431), (31, 10310416), (62, 5155208), (124, 2577604), (248, 1288802), (496, 644401)]