281279596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{17393}}^1$

素因数の和:17721

約数の個数: 24

約数和(自身を含む): 531838944

約数和(自身を除く): 250559348

約数列:

[1, 2, 4, 13, 26, 52, 311, 622, 1244, 4043, 8086, 16172, 17393, 34786, 69572, 226109, 452218, 904436, 5409223, 10818446, 21636892, 70319899, 140639798, 281279596]

約数ペア:

[(1, 281279596), (2, 140639798), (4, 70319899), (13, 21636892), (26, 10818446), (52, 5409223), (311, 904436), (622, 452218), (1244, 226109), (4043, 69572), (8086, 34786), (16172, 17393)]