71272048

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{40867}}^1$

素因数の和:40984

約数の個数: 20

約数和(自身を含む): 139359880

約数和(自身を除く): 68087832

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 40867, 81734, 163468, 326936, 653872, 4454503, 8909006, 17818012, 35636024, 71272048]

約数ペア:

[(1, 71272048), (2, 35636024), (4, 17818012), (8, 8909006), (16, 4454503), (109, 653872), (218, 326936), (436, 163468), (872, 81734), (1744, 40867)]