407672288

素因数分解:

$2^5\times {\mathrm{643}}^1\times {\mathrm{19813}}^1$

素因数の和:20466

約数の個数: 24

約数和(自身を含む): 803893608

約数和(自身を除く): 396221320

約数列:

[1, 2, 4, 8, 16, 32, 643, 1286, 2572, 5144, 10288, 19813, 20576, 39626, 79252, 158504, 317008, 634016, 12739759, 25479518, 50959036, 101918072, 203836144, 407672288]

約数ペア:

[(1, 407672288), (2, 203836144), (4, 101918072), (8, 50959036), (16, 25479518), (32, 12739759), (643, 634016), (1286, 317008), (2572, 158504), (5144, 79252), (10288, 39626), (19813, 20576)]