212540836

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{28099}}^1$

素因数の和:28195

約数の個数: 24

約数和(自身を含む): 390252800

約数和(自身を除く): 177711964

約数列:

[1, 2, 4, 31, 61, 62, 122, 124, 244, 1891, 3782, 7564, 28099, 56198, 112396, 871069, 1714039, 1742138, 3428078, 3484276, 6856156, 53135209, 106270418, 212540836]

約数ペア:

[(1, 212540836), (2, 106270418), (4, 53135209), (31, 6856156), (61, 3484276), (62, 3428078), (122, 1742138), (124, 1714039), (244, 871069), (1891, 112396), (3782, 56198), (7564, 28099)]