78638638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 130304160

約数和(自身を除く): 51665522

約数列:

[1, 2, 13, 26, 61, 122, 179, 277, 358, 554, 793, 1586, 2327, 3601, 4654, 7202, 10919, 16897, 21838, 33794, 49583, 99166, 141947, 219661, 283894, 439322, 644579, 1289158, 3024563, 6049126, 39319319, 78638638]

約数ペア:

[(1, 78638638), (2, 39319319), (13, 6049126), (26, 3024563), (61, 1289158), (122, 644579), (179, 439322), (277, 283894), (358, 219661), (554, 141947), (793, 99166), (1586, 49583), (2327, 33794), (3601, 21838), (4654, 16897), (7202, 10919)]