290180864

素因数分解:

$2^8\times {\mathrm{1133519}}^1$

素因数の和:1133535

約数の個数: 18

約数和(自身を含む): 579228720

約数和(自身を除く): 289047856

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1133519, 2267038, 4534076, 9068152, 18136304, 36272608, 72545216, 145090432, 290180864]

約数ペア:

[(1, 290180864), (2, 145090432), (4, 72545216), (8, 36272608), (16, 18136304), (32, 9068152), (64, 4534076), (128, 2267038), (256, 1133519)]