212760985

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{3541}}^1$

素因数の和:3804

約数の個数: 16

約数和(自身を含む): 260889552

約数和(自身を除く): 48128567

約数列:

[1, 5, 61, 197, 305, 985, 3541, 12017, 17705, 60085, 216001, 697577, 1080005, 3487885, 42552197, 212760985]

約数ペア:

[(1, 212760985), (5, 42552197), (61, 3487885), (197, 1080005), (305, 697577), (985, 216001), (3541, 60085), (12017, 17705)]