72212012

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{13187}}^1$

素因数の和:13265

約数の個数: 18

約数和(自身を含む): 129888612

約数和(自身を除く): 57676600

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 13187, 26374, 52748, 487919, 975838, 1951676, 18053003, 36106006, 72212012]

約数ペア:

[(1, 72212012), (2, 36106006), (4, 18053003), (37, 1951676), (74, 975838), (148, 487919), (1369, 52748), (2738, 26374), (5476, 13187)]