397492736

素因数分解:

$2^9\times {\mathrm{607}}^1\times {\mathrm{1279}}^1$

素因数の和:1904

約数の個数: 40

約数和(自身を含む): 796139520

約数和(自身を除く): 398646784

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 607, 1214, 1279, 2428, 2558, 4856, 5116, 9712, 10232, 19424, 20464, 38848, 40928, 77696, 81856, 155392, 163712, 310784, 327424, 654848, 776353, 1552706, 3105412, 6210824, 12421648, 24843296, 49686592, 99373184, 198746368, 397492736]

約数ペア:

[(1, 397492736), (2, 198746368), (4, 99373184), (8, 49686592), (16, 24843296), (32, 12421648), (64, 6210824), (128, 3105412), (256, 1552706), (512, 776353), (607, 654848), (1214, 327424), (1279, 310784), (2428, 163712), (2558, 155392), (4856, 81856), (5116, 77696), (9712, 40928), (10232, 38848), (19424, 20464)]