221038468

素因数分解:

$2^2\times 7^1\times {\mathrm{1979}}^1\times {\mathrm{3989}}^1$

素因数の和:5979

約数の個数: 24

約数和(自身を含む): 442411200

約数和(自身を除く): 221372732

約数列:

[1, 2, 4, 7, 14, 28, 1979, 3958, 3989, 7916, 7978, 13853, 15956, 27706, 27923, 55412, 55846, 111692, 7894231, 15788462, 31576924, 55259617, 110519234, 221038468]

約数ペア:

[(1, 221038468), (2, 110519234), (4, 55259617), (7, 31576924), (14, 15788462), (28, 7894231), (1979, 111692), (3958, 55846), (3989, 55412), (7916, 27923), (7978, 27706), (13853, 15956)]