398002432

素因数分解:

$2^8\times {\mathrm{1554697}}^1$

素因数の和:1554713

約数の個数: 18

約数和(自身を含む): 794450678

約数和(自身を除く): 396448246

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1554697, 3109394, 6218788, 12437576, 24875152, 49750304, 99500608, 199001216, 398002432]

約数ペア:

[(1, 398002432), (2, 199001216), (4, 99500608), (8, 49750304), (16, 24875152), (32, 12437576), (64, 6218788), (128, 3109394), (256, 1554697)]