78752891

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 102136320

約数和(自身を除く): 23383429

約数列:

[1, 7, 17, 19, 61, 119, 133, 323, 427, 571, 1037, 1159, 2261, 3997, 7259, 8113, 9707, 10849, 19703, 34831, 67949, 75943, 137921, 184433, 243817, 592127, 661789, 1291031, 4144889, 4632523, 11250413, 78752891]

約数ペア:

[(1, 78752891), (7, 11250413), (17, 4632523), (19, 4144889), (61, 1291031), (119, 661789), (133, 592127), (323, 243817), (427, 184433), (571, 137921), (1037, 75943), (1159, 67949), (2261, 34831), (3997, 19703), (7259, 10849), (8113, 9707)]