72215638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1123}}^1$

素因数の和:1252

約数の個数: 32

約数和(自身を含む): 123010560

約数和(自身を除く): 50794922

約数列:

[1, 2, 11, 22, 37, 74, 79, 158, 407, 814, 869, 1123, 1738, 2246, 2923, 5846, 12353, 24706, 32153, 41551, 64306, 83102, 88717, 177434, 457061, 914122, 975887, 1951774, 3282529, 6565058, 36107819, 72215638]

約数ペア:

[(1, 72215638), (2, 36107819), (11, 6565058), (22, 3282529), (37, 1951774), (74, 975887), (79, 914122), (158, 457061), (407, 177434), (814, 88717), (869, 83102), (1123, 64306), (1738, 41551), (2246, 32153), (2923, 24706), (5846, 12353)]