128714915

素因数分解:

$5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{5903}}^1$

素因数の和:6011

約数の個数: 24

約数和(自身を含む): 181725120

約数和(自身を除く): 53010205

約数列:

[1, 5, 7, 35, 49, 89, 245, 445, 623, 3115, 4361, 5903, 21805, 29515, 41321, 206605, 289247, 525367, 1446235, 2626835, 3677569, 18387845, 25742983, 128714915]

約数ペア:

[(1, 128714915), (5, 25742983), (7, 18387845), (35, 3677569), (49, 2626835), (89, 1446235), (245, 525367), (445, 289247), (623, 206605), (3115, 41321), (4361, 29515), (5903, 21805)]