638269885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{307}}^1\times {\mathrm{367}}^1$

素因数の和:793

約数の個数: 32

約数和(自身を含む): 848719872

約数和(自身を除く): 210449987

約数列:

[1, 5, 11, 55, 103, 307, 367, 515, 1133, 1535, 1835, 3377, 4037, 5665, 16885, 20185, 31621, 37801, 112669, 158105, 189005, 347831, 415811, 563345, 1239359, 1739155, 2079055, 6196795, 11604907, 58024535, 127653977, 638269885]

約数ペア:

[(1, 638269885), (5, 127653977), (11, 58024535), (55, 11604907), (103, 6196795), (307, 2079055), (367, 1739155), (515, 1239359), (1133, 563345), (1535, 415811), (1835, 347831), (3377, 189005), (4037, 158105), (5665, 112669), (16885, 37801), (20185, 31621)]