28756490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{410807}}^1$

素因数の和:410821

約数の個数: 16

約数和(自身を含む): 59156352

約数和(自身を除く): 30399862

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 410807, 821614, 2054035, 2875649, 4108070, 5751298, 14378245, 28756490]

約数ペア:

[(1, 28756490), (2, 14378245), (5, 5751298), (7, 4108070), (10, 2875649), (14, 2054035), (35, 821614), (70, 410807)]