848380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{251}}^1$

素因数の和:286

約数の個数: 36

約数和(自身を含む): 1936872

約数和(自身を除く): 1088492

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 251, 260, 338, 502, 676, 845, 1004, 1255, 1690, 2510, 3263, 3380, 5020, 6526, 13052, 16315, 32630, 42419, 65260, 84838, 169676, 212095, 424190, 848380]

約数ペア:

[(1, 848380), (2, 424190), (4, 212095), (5, 169676), (10, 84838), (13, 65260), (20, 42419), (26, 32630), (52, 16315), (65, 13052), (130, 6526), (169, 5020), (251, 3380), (260, 3263), (338, 2510), (502, 1690), (676, 1255), (845, 1004)]