399040024

素因数分解:

$2^3\times {\mathrm{991}}^1\times {\mathrm{50333}}^1$

素因数の和:51330

約数の個数: 16

約数和(自身を含む): 748969920

約数和(自身を除く): 349929896

約数列:

[1, 2, 4, 8, 991, 1982, 3964, 7928, 50333, 100666, 201332, 402664, 49880003, 99760006, 199520012, 399040024]

約数ペア:

[(1, 399040024), (2, 199520012), (4, 99760006), (8, 49880003), (991, 402664), (1982, 201332), (3964, 100666), (7928, 50333)]