258671441

素因数分解:

$7^2\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 306256896

約数和(自身を除く): 47585455

約数列:

[1, 7, 49, 127, 197, 211, 889, 1379, 1477, 6223, 9653, 10339, 25019, 26797, 41567, 175133, 187579, 290969, 1225931, 1313053, 2036783, 5279009, 36953063, 258671441]

約数ペア:

[(1, 258671441), (7, 36953063), (49, 5279009), (127, 2036783), (197, 1313053), (211, 1225931), (889, 290969), (1379, 187579), (1477, 175133), (6223, 41567), (9653, 26797), (10339, 25019)]