42065905

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 65370240

約数和(自身を除く): 23304335

約数列:

[1, 5, 7, 17, 19, 35, 61, 85, 95, 119, 133, 305, 323, 427, 595, 665, 1037, 1159, 1615, 2135, 2261, 3721, 5185, 5795, 7259, 8113, 11305, 18605, 19703, 26047, 36295, 40565, 63257, 70699, 98515, 130235, 137921, 316285, 353495, 442799, 494893, 689605, 1201883, 2213995, 2474465, 6009415, 8413181, 42065905]

約数ペア:

[(1, 42065905), (5, 8413181), (7, 6009415), (17, 2474465), (19, 2213995), (35, 1201883), (61, 689605), (85, 494893), (95, 442799), (119, 353495), (133, 316285), (305, 137921), (323, 130235), (427, 98515), (595, 70699), (665, 63257), (1037, 40565), (1159, 36295), (1615, 26047), (2135, 19703), (2261, 18605), (3721, 11305), (5185, 8113), (5795, 7259)]