221489164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{1409}}^1\times {\mathrm{3023}}^1$

素因数の和:4449

約数の個数: 24

約数和(自身を含む): 417856320

約数和(自身を除く): 196367156

約数列:

[1, 2, 4, 13, 26, 52, 1409, 2818, 3023, 5636, 6046, 12092, 18317, 36634, 39299, 73268, 78598, 157196, 4259407, 8518814, 17037628, 55372291, 110744582, 221489164]

約数ペア:

[(1, 221489164), (2, 110744582), (4, 55372291), (13, 17037628), (26, 8518814), (52, 4259407), (1409, 157196), (2818, 78598), (3023, 73268), (5636, 39299), (6046, 36634), (12092, 18317)]