858674225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{3821}}^1$

素因数の和:4021

約数の個数: 24

約数和(自身を含む): 1087664760

約数和(自身を除く): 228990535

約数列:

[1, 5, 25, 89, 101, 445, 505, 2225, 2525, 3821, 8989, 19105, 44945, 95525, 224725, 340069, 385921, 1700345, 1929605, 8501725, 9648025, 34346969, 171734845, 858674225]

約数ペア:

[(1, 858674225), (5, 171734845), (25, 34346969), (89, 9648025), (101, 8501725), (445, 1929605), (505, 1700345), (2225, 385921), (2525, 340069), (3821, 224725), (8989, 95525), (19105, 44945)]