397243408

素因数分解:

$2^4\times {\mathrm{193}}^1\times {\mathrm{197}}^1\times {\mathrm{653}}^1$

素因数の和:1051

約数の個数: 40

約数和(自身を含む): 778764888

約数和(自身を除く): 381521480

約数列:

[1, 2, 4, 8, 16, 193, 197, 386, 394, 653, 772, 788, 1306, 1544, 1576, 2612, 3088, 3152, 5224, 10448, 38021, 76042, 126029, 128641, 152084, 252058, 257282, 304168, 504116, 514564, 608336, 1008232, 1029128, 2016464, 2058256, 24827713, 49655426, 99310852, 198621704, 397243408]

約数ペア:

[(1, 397243408), (2, 198621704), (4, 99310852), (8, 49655426), (16, 24827713), (193, 2058256), (197, 2016464), (386, 1029128), (394, 1008232), (653, 608336), (772, 514564), (788, 504116), (1306, 304168), (1544, 257282), (1576, 252058), (2612, 152084), (3088, 128641), (3152, 126029), (5224, 76042), (10448, 38021)]