71572016

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{41039}}^1$

素因数の和:41156

約数の個数: 20

約数和(自身を含む): 139946400

約数和(自身を除く): 68374384

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 41039, 82078, 164156, 328312, 656624, 4473251, 8946502, 17893004, 35786008, 71572016]

約数ペア:

[(1, 71572016), (2, 35786008), (4, 17893004), (8, 8946502), (16, 4473251), (109, 656624), (218, 328312), (436, 164156), (872, 82078), (1744, 41039)]