1640771999

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^2\times {\mathrm{3907}}^1$

素因数の和:4011

約数の個数: 24

約数和(自身を含む): 1862709120

約数和(自身を除く): 221937121

約数列:

[1, 19, 23, 31, 437, 589, 713, 961, 3907, 13547, 18259, 22103, 74233, 89861, 121117, 419957, 1707359, 2301223, 2785691, 3754627, 52928129, 71337913, 86356421, 1640771999]

約数ペア:

[(1, 1640771999), (19, 86356421), (23, 71337913), (31, 52928129), (437, 3754627), (589, 2785691), (713, 2301223), (961, 1707359), (3907, 419957), (13547, 121117), (18259, 89861), (22103, 74233)]