72388208

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{41507}}^1$

素因数の和:41624

約数の個数: 20

約数和(自身を含む): 141542280

約数和(自身を除く): 69154072

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 41507, 83014, 166028, 332056, 664112, 4524263, 9048526, 18097052, 36194104, 72388208]

約数ペア:

[(1, 72388208), (2, 36194104), (4, 18097052), (8, 9048526), (16, 4524263), (109, 664112), (218, 332056), (436, 166028), (872, 83014), (1744, 41507)]