1285751306

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1\times {\mathrm{2693}}^1$

素因数の和:3278

約数の個数: 32

約数和(自身を含む): 2242270080

約数和(自身を除く): 956518774

約数列:

[1, 2, 7, 14, 67, 134, 469, 509, 938, 1018, 2693, 3563, 5386, 7126, 18851, 34103, 37702, 68206, 180431, 238721, 360862, 477442, 1263017, 1370737, 2526034, 2741474, 9595159, 19190318, 91839379, 183678758, 642875653, 1285751306]

約数ペア:

[(1, 1285751306), (2, 642875653), (7, 183678758), (14, 91839379), (67, 19190318), (134, 9595159), (469, 2741474), (509, 2526034), (938, 1370737), (1018, 1263017), (2693, 477442), (3563, 360862), (5386, 238721), (7126, 180431), (18851, 68206), (34103, 37702)]