219039236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{6551}}^1$

素因数の和:7211

約数の個数: 24

約数和(自身を含む): 413509824

約数和(自身を除く): 194470588

約数列:

[1, 2, 4, 13, 26, 52, 643, 1286, 2572, 6551, 8359, 13102, 16718, 26204, 33436, 85163, 170326, 340652, 4212293, 8424586, 16849172, 54759809, 109519618, 219039236]

約数ペア:

[(1, 219039236), (2, 109519618), (4, 54759809), (13, 16849172), (26, 8424586), (52, 4212293), (643, 340652), (1286, 170326), (2572, 85163), (6551, 33436), (8359, 26204), (13102, 16718)]