138995444

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{2027}}^1$

素因数の和:2148

約数の個数: 48

約数和(自身を含む): 290734080

約数和(自身を除く): 151738636

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 79, 124, 158, 217, 316, 434, 553, 868, 1106, 2027, 2212, 2449, 4054, 4898, 8108, 9796, 14189, 17143, 28378, 34286, 56756, 62837, 68572, 125674, 160133, 251348, 320266, 439859, 640532, 879718, 1120931, 1759436, 2241862, 4483724, 4964123, 9928246, 19856492, 34748861, 69497722, 138995444]

約数ペア:

[(1, 138995444), (2, 69497722), (4, 34748861), (7, 19856492), (14, 9928246), (28, 4964123), (31, 4483724), (62, 2241862), (79, 1759436), (124, 1120931), (158, 879718), (217, 640532), (316, 439859), (434, 320266), (553, 251348), (868, 160133), (1106, 125674), (2027, 68572), (2212, 62837), (2449, 56756), (4054, 34286), (4898, 28378), (8108, 17143), (9796, 14189)]