72142028

素因数分解:

$2^2\times 7^1\times {\mathrm{643}}^1\times {\mathrm{4007}}^1$

素因数の和:4661

約数の個数: 24

約数和(自身を含む): 144544512

約数和(自身を除く): 72402484

約数列:

[1, 2, 4, 7, 14, 28, 643, 1286, 2572, 4007, 4501, 8014, 9002, 16028, 18004, 28049, 56098, 112196, 2576501, 5153002, 10306004, 18035507, 36071014, 72142028]

約数ペア:

[(1, 72142028), (2, 36071014), (4, 18035507), (7, 10306004), (14, 5153002), (28, 2576501), (643, 112196), (1286, 56098), (2572, 28049), (4007, 18004), (4501, 16028), (8014, 9002)]