681570392

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{39461}}^1$

素因数の和:39611

約数の個数: 32

約数和(自身を含む): 1363806720

約数和(自身を除く): 682236328

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 2159, 4318, 8636, 17272, 39461, 78922, 157844, 315688, 670837, 1341674, 2683348, 5011547, 5366696, 10023094, 20046188, 40092376, 85196299, 170392598, 340785196, 681570392]

約数ペア:

[(1, 681570392), (2, 340785196), (4, 170392598), (8, 85196299), (17, 40092376), (34, 20046188), (68, 10023094), (127, 5366696), (136, 5011547), (254, 2683348), (508, 1341674), (1016, 670837), (2159, 315688), (4318, 157844), (8636, 78922), (17272, 39461)]