48961955

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:180

約数の個数: 64

約数和(自身を含む): 77137920

約数和(自身を除く): 28175965

約数列:

[1, 5, 7, 17, 19, 35, 61, 71, 85, 95, 119, 133, 305, 323, 355, 427, 497, 595, 665, 1037, 1159, 1207, 1349, 1615, 2135, 2261, 2485, 4331, 5185, 5795, 6035, 6745, 7259, 8113, 8449, 9443, 11305, 19703, 21655, 22933, 30317, 36295, 40565, 42245, 47215, 73627, 82289, 98515, 114665, 137921, 151585, 160531, 368135, 411445, 515389, 576023, 689605, 802655, 1398913, 2576945, 2880115, 6994565, 9792391, 48961955]

約数ペア:

[(1, 48961955), (5, 9792391), (7, 6994565), (17, 2880115), (19, 2576945), (35, 1398913), (61, 802655), (71, 689605), (85, 576023), (95, 515389), (119, 411445), (133, 368135), (305, 160531), (323, 151585), (355, 137921), (427, 114665), (497, 98515), (595, 82289), (665, 73627), (1037, 47215), (1159, 42245), (1207, 40565), (1349, 36295), (1615, 30317), (2135, 22933), (2261, 21655), (2485, 19703), (4331, 11305), (5185, 9443), (5795, 8449), (6035, 8113), (6745, 7259)]