728269205

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{577}}^1$

素因数の和:1109

約数の個数: 32

約数和(自身を含む): 958832640

約数和(自身を除く): 230563435

約数列:

[1, 5, 17, 31, 85, 155, 479, 527, 577, 2395, 2635, 2885, 8143, 9809, 14849, 17887, 40715, 49045, 74245, 89435, 252433, 276383, 304079, 1262165, 1381915, 1520395, 4698511, 8567873, 23492555, 42839365, 145653841, 728269205]

約数ペア:

[(1, 728269205), (5, 145653841), (17, 42839365), (31, 23492555), (85, 8567873), (155, 4698511), (479, 1520395), (527, 1381915), (577, 1262165), (2395, 304079), (2635, 276383), (2885, 252433), (8143, 89435), (9809, 74245), (14849, 49045), (17887, 40715)]