219890552

素因数分解:

$2^3\times 7^1\times {\mathrm{881}}^1\times {\mathrm{4457}}^1$

素因数の和:5351

約数の個数: 32

約数和(自身を含む): 471834720

約数和(自身を除く): 251944168

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 881, 1762, 3524, 4457, 6167, 7048, 8914, 12334, 17828, 24668, 31199, 35656, 49336, 62398, 124796, 249592, 3926617, 7853234, 15706468, 27486319, 31412936, 54972638, 109945276, 219890552]

約数ペア:

[(1, 219890552), (2, 109945276), (4, 54972638), (7, 31412936), (8, 27486319), (14, 15706468), (28, 7853234), (56, 3926617), (881, 249592), (1762, 124796), (3524, 62398), (4457, 49336), (6167, 35656), (7048, 31199), (8914, 24668), (12334, 17828)]